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Finding the Fourth Proportional to 61,624.80, 92,242.80 and 44,128.80

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Solution

The fourth proportional to 61,624.80, 92,242.80 and 44,128.80 is: 66,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,624.80 : 92,242.80 = 44,128.80 : x
  2. Step 2: Convert to fraction form
    61,624.80/92,242.80 = 44,128.80/x
  3. Step 3: Cross multiply
    61,624.80x = 92,242.80 × 44,128.80
  4. Step 4: Simplify right side
    61,624.80x = 4,070,564,072.64
  5. Step 5: Solve for x
    x = 4,070,564,072.64/61,624.80
  6. Step 6: Final answer
    x = 66,053.99

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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.