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Finding the Fourth Proportional to 175,149.81, 241,719.03 and 99,698.31

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Solution

The fourth proportional to 175,149.81, 241,719.03 and 99,698.31 is: 137,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,149.81 : 241,719.03 = 99,698.31 : x
  2. Step 2: Convert to fraction form
    175,149.81/241,719.03 = 99,698.31/x
  3. Step 3: Cross multiply
    175,149.81x = 241,719.03 × 99,698.31
  4. Step 4: Simplify right side
    175,149.81x = 24,098,978,785.84
  5. Step 5: Solve for x
    x = 24,098,978,785.84/175,149.81
  6. Step 6: Final answer
    x = 137,590.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.