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Finding the Fourth Proportional to 215,562.29, 297,453.21 and 124,946.68

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Solution

The fourth proportional to 215,562.29, 297,453.21 and 124,946.68 is: 172,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,562.29 : 297,453.21 = 124,946.68 : x
  2. Step 2: Convert to fraction form
    215,562.29/297,453.21 = 124,946.68/x
  3. Step 3: Cross multiply
    215,562.29x = 297,453.21 × 124,946.68
  4. Step 4: Simplify right side
    215,562.29x = 37,165,789,557.58
  5. Step 5: Solve for x
    x = 37,165,789,557.58/215,562.29
  6. Step 6: Final answer
    x = 172,413.22

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1.5x scale

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.