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Finding the Fourth Proportional to 87,094.52, 120,192.54 and 53,104.76

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Solution

The fourth proportional to 87,094.52, 120,192.54 and 53,104.76 is: 73,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,094.52 : 120,192.54 = 53,104.76 : x
  2. Step 2: Convert to fraction form
    87,094.52/120,192.54 = 53,104.76/x
  3. Step 3: Cross multiply
    87,094.52x = 120,192.54 × 53,104.76
  4. Step 4: Simplify right side
    87,094.52x = 6,382,795,990.49
  5. Step 5: Solve for x
    x = 6,382,795,990.49/87,094.52
  6. Step 6: Final answer
    x = 73,285.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.