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Finding the Fourth Proportional to 129,737.40, 194,454.90 and 59,623.80

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Solution

The fourth proportional to 129,737.40, 194,454.90 and 59,623.80 is: 89,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,737.40 : 194,454.90 = 59,623.80 : x
  2. Step 2: Convert to fraction form
    129,737.40/194,454.90 = 59,623.80/x
  3. Step 3: Cross multiply
    129,737.40x = 194,454.90 × 59,623.80
  4. Step 4: Simplify right side
    129,737.40x = 11,594,140,066.62
  5. Step 5: Solve for x
    x = 11,594,140,066.62/129,737.40
  6. Step 6: Final answer
    x = 89,366.21

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1.5x scale

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.