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Finding the Fourth Proportional to 61,482.20, 92,223.30 and 60,186.20

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Solution

The fourth proportional to 61,482.20, 92,223.30 and 60,186.20 is: 90,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.20 : 92,223.30 = 60,186.20 : x
  2. Step 2: Convert to fraction form
    61,482.20/92,223.30 = 60,186.20/x
  3. Step 3: Cross multiply
    61,482.20x = 92,223.30 × 60,186.20
  4. Step 4: Simplify right side
    61,482.20x = 5,550,569,978.46
  5. Step 5: Solve for x
    x = 5,550,569,978.46/61,482.20
  6. Step 6: Final answer
    x = 90,279.30

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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.