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Finding the Fourth Proportional to 102,657.24, 153,936.62 and 52,711.62

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Solution

The fourth proportional to 102,657.24, 153,936.62 and 52,711.62 is: 79,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,657.24 : 153,936.62 = 52,711.62 : x
  2. Step 2: Convert to fraction form
    102,657.24/153,936.62 = 52,711.62/x
  3. Step 3: Cross multiply
    102,657.24x = 153,936.62 × 52,711.62
  4. Step 4: Simplify right side
    102,657.24x = 8,114,248,617.52
  5. Step 5: Solve for x
    x = 8,114,248,617.52/102,657.24
  6. Step 6: Final answer
    x = 79,042.15

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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.