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Finding the Fourth Proportional to 61,951.60, 93,000.30 and 61,514.20

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Solution

The fourth proportional to 61,951.60, 93,000.30 and 61,514.20 is: 92,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,951.60 : 93,000.30 = 61,514.20 : x
  2. Step 2: Convert to fraction form
    61,951.60/93,000.30 = 61,514.20/x
  3. Step 3: Cross multiply
    61,951.60x = 93,000.30 × 61,514.20
  4. Step 4: Simplify right side
    61,951.60x = 5,720,839,054.26
  5. Step 5: Solve for x
    x = 5,720,839,054.26/61,951.60
  6. Step 6: Final answer
    x = 92,343.69

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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.