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Finding the Fourth Proportional to 61,666.80, 92,500.20 and 59,247.60

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Solution

The fourth proportional to 61,666.80, 92,500.20 and 59,247.60 is: 88,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.80 : 92,500.20 = 59,247.60 : x
  2. Step 2: Convert to fraction form
    61,666.80/92,500.20 = 59,247.60/x
  3. Step 3: Cross multiply
    61,666.80x = 92,500.20 × 59,247.60
  4. Step 4: Simplify right side
    61,666.80x = 5,480,414,849.52
  5. Step 5: Solve for x
    x = 5,480,414,849.52/61,666.80
  6. Step 6: Final answer
    x = 88,871.40

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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.