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Finding the Fourth Proportional to 118,022.56, 176,872.56 and 62,507.68

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Solution

The fourth proportional to 118,022.56, 176,872.56 and 62,507.68 is: 93,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,022.56 : 176,872.56 = 62,507.68 : x
  2. Step 2: Convert to fraction form
    118,022.56/176,872.56 = 62,507.68/x
  3. Step 3: Cross multiply
    118,022.56x = 176,872.56 × 62,507.68
  4. Step 4: Simplify right side
    118,022.56x = 11,055,893,381.26
  5. Step 5: Solve for x
    x = 11,055,893,381.26/118,022.56
  6. Step 6: Final answer
    x = 93,676.10

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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.