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Finding the Fourth Proportional to 123,924.46, 185,782.18 and 53,750.92

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Solution

The fourth proportional to 123,924.46, 185,782.18 and 53,750.92 is: 80,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,924.46 : 185,782.18 = 53,750.92 : x
  2. Step 2: Convert to fraction form
    123,924.46/185,782.18 = 53,750.92/x
  3. Step 3: Cross multiply
    123,924.46x = 185,782.18 × 53,750.92
  4. Step 4: Simplify right side
    123,924.46x = 9,985,963,094.61
  5. Step 5: Solve for x
    x = 9,985,963,094.61/123,924.46
  6. Step 6: Final answer
    x = 80,581.05

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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.