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Finding the Fourth Proportional to 146,707, 220,088.78 and 62,465.60

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Solution

The fourth proportional to 146,707, 220,088.78 and 62,465.60 is: 93,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707 : 220,088.78 = 62,465.60 : x
  2. Step 2: Convert to fraction form
    146,707/220,088.78 = 62,465.60/x
  3. Step 3: Cross multiply
    146,707x = 220,088.78 × 62,465.60
  4. Step 4: Simplify right side
    146,707x = 13,747,977,695.97
  5. Step 5: Solve for x
    x = 13,747,977,695.97/146,707
  6. Step 6: Final answer
    x = 93,710.44

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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.