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Finding the Fourth Proportional to 62,482.60, 93,578.10 and 61,229.80

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Solution

The fourth proportional to 62,482.60, 93,578.10 and 61,229.80 is: 91,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,482.60 : 93,578.10 = 61,229.80 : x
  2. Step 2: Convert to fraction form
    62,482.60/93,578.10 = 61,229.80/x
  3. Step 3: Cross multiply
    62,482.60x = 93,578.10 × 61,229.80
  4. Step 4: Simplify right side
    62,482.60x = 5,729,768,347.38
  5. Step 5: Solve for x
    x = 5,729,768,347.38/62,482.60
  6. Step 6: Final answer
    x = 91,701.82

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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.