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Finding the Fourth Proportional to 173,785.38, 260,706.19 and 53,814.13

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Solution

The fourth proportional to 173,785.38, 260,706.19 and 53,814.13 is: 80,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,785.38 : 260,706.19 = 53,814.13 : x
  2. Step 2: Convert to fraction form
    173,785.38/260,706.19 = 53,814.13/x
  3. Step 3: Cross multiply
    173,785.38x = 260,706.19 × 53,814.13
  4. Step 4: Simplify right side
    173,785.38x = 14,029,676,800.46
  5. Step 5: Solve for x
    x = 14,029,676,800.46/173,785.38
  6. Step 6: Final answer
    x = 80,729.90

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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.