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Finding the Fourth Proportional to 239,244.66, 358,867 and 70,751.87

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Solution

The fourth proportional to 239,244.66, 358,867 and 70,751.87 is: 106,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,244.66 : 358,867 = 70,751.87 : x
  2. Step 2: Convert to fraction form
    239,244.66/358,867 = 70,751.87/x
  3. Step 3: Cross multiply
    239,244.66x = 358,867 × 70,751.87
  4. Step 4: Simplify right side
    239,244.66x = 25,390,509,536.96
  5. Step 5: Solve for x
    x = 25,390,509,536.96/239,244.66
  6. Step 6: Final answer
    x = 106,127.80

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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.