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Finding the Fourth Proportional to 60,130.80, 90,414.90 and 58,818.60

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Solution

The fourth proportional to 60,130.80, 90,414.90 and 58,818.60 is: 88,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,130.80 : 90,414.90 = 58,818.60 : x
  2. Step 2: Convert to fraction form
    60,130.80/90,414.90 = 58,818.60/x
  3. Step 3: Cross multiply
    60,130.80x = 90,414.90 × 58,818.60
  4. Step 4: Simplify right side
    60,130.80x = 5,318,077,837.14
  5. Step 5: Solve for x
    x = 5,318,077,837.14/60,130.80
  6. Step 6: Final answer
    x = 88,441.83

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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.