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Finding the Fourth Proportional to 168,872.92, 253,312.45 and 56,532.20

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Solution

The fourth proportional to 168,872.92, 253,312.45 and 56,532.20 is: 84,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872.92 : 253,312.45 = 56,532.20 : x
  2. Step 2: Convert to fraction form
    168,872.92/253,312.45 = 56,532.20/x
  3. Step 3: Cross multiply
    168,872.92x = 253,312.45 × 56,532.20
  4. Step 4: Simplify right side
    168,872.92x = 14,320,308,678.00
  5. Step 5: Solve for x
    x = 14,320,308,678.00/168,872.92
  6. Step 6: Final answer
    x = 84,799.32

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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.