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Finding the Fourth Proportional to 186,712.60, 280,032.45 and 62,053.60

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Solution

The fourth proportional to 186,712.60, 280,032.45 and 62,053.60 is: 93,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,712.60 : 280,032.45 = 62,053.60 : x
  2. Step 2: Convert to fraction form
    186,712.60/280,032.45 = 62,053.60/x
  3. Step 3: Cross multiply
    186,712.60x = 280,032.45 × 62,053.60
  4. Step 4: Simplify right side
    186,712.60x = 17,377,021,639.32
  5. Step 5: Solve for x
    x = 17,377,021,639.32/186,712.60
  6. Step 6: Final answer
    x = 93,068.29

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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.