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Finding the Fourth Proportional to 110,490.76, 152,472 and 62,737.84

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Solution

The fourth proportional to 110,490.76, 152,472 and 62,737.84 is: 86,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,490.76 : 152,472 = 62,737.84 : x
  2. Step 2: Convert to fraction form
    110,490.76/152,472 = 62,737.84/x
  3. Step 3: Cross multiply
    110,490.76x = 152,472 × 62,737.84
  4. Step 4: Simplify right side
    110,490.76x = 9,565,763,940.48
  5. Step 5: Solve for x
    x = 9,565,763,940.48/110,490.76
  6. Step 6: Final answer
    x = 86,575.24

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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.