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Finding the Fourth Proportional to 108,657.92, 162,953.13 and 52,463.09

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Solution

The fourth proportional to 108,657.92, 162,953.13 and 52,463.09 is: 78,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657.92 : 162,953.13 = 52,463.09 : x
  2. Step 2: Convert to fraction form
    108,657.92/162,953.13 = 52,463.09/x
  3. Step 3: Cross multiply
    108,657.92x = 162,953.13 × 52,463.09
  4. Step 4: Simplify right side
    108,657.92x = 8,549,025,329.09
  5. Step 5: Solve for x
    x = 8,549,025,329.09/108,657.92
  6. Step 6: Final answer
    x = 78,678.34

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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.