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Finding the Fourth Proportional to 61,519.80, 92,279.70 and 60,353.40

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Solution

The fourth proportional to 61,519.80, 92,279.70 and 60,353.40 is: 90,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.80 : 92,279.70 = 60,353.40 : x
  2. Step 2: Convert to fraction form
    61,519.80/92,279.70 = 60,353.40/x
  3. Step 3: Cross multiply
    61,519.80x = 92,279.70 × 60,353.40
  4. Step 4: Simplify right side
    61,519.80x = 5,569,393,645.98
  5. Step 5: Solve for x
    x = 5,569,393,645.98/61,519.80
  6. Step 6: Final answer
    x = 90,530.10

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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.