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Finding the Fourth Proportional to 114,355.10, 157,810.11 and 62,671.97

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Solution

The fourth proportional to 114,355.10, 157,810.11 and 62,671.97 is: 86,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,355.10 : 157,810.11 = 62,671.97 : x
  2. Step 2: Convert to fraction form
    114,355.10/157,810.11 = 62,671.97/x
  3. Step 3: Cross multiply
    114,355.10x = 157,810.11 × 62,671.97
  4. Step 4: Simplify right side
    114,355.10x = 9,890,270,479.62
  5. Step 5: Solve for x
    x = 9,890,270,479.62/114,355.10
  6. Step 6: Final answer
    x = 86,487.36

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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.