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Finding the Fourth Proportional to 167,339,987.70, 251,009,981.55 and 167,339,987.70

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Solution

The fourth proportional to 167,339,987.70, 251,009,981.55 and 167,339,987.70 is: 251,009,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,339,987.70 : 251,009,981.55 = 167,339,987.70 : x
  2. Step 2: Convert to fraction form
    167,339,987.70/251,009,981.55 = 167,339,987.70/x
  3. Step 3: Cross multiply
    167,339,987.70x = 251,009,981.55 × 167,339,987.70
  4. Step 4: Simplify right side
    167,339,987.70x = 42,004,007,225,154,224
  5. Step 5: Solve for x
    x = 42,004,007,225,154,224/167,339,987.70
  6. Step 6: Final answer
    x = 251,009,981.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.