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Finding the Fourth Proportional to 77,044.10, 115,566.15 and 65,234.30

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Solution

The fourth proportional to 77,044.10, 115,566.15 and 65,234.30 is: 97,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,044.10 : 115,566.15 = 65,234.30 : x
  2. Step 2: Convert to fraction form
    77,044.10/115,566.15 = 65,234.30/x
  3. Step 3: Cross multiply
    77,044.10x = 115,566.15 × 65,234.30
  4. Step 4: Simplify right side
    77,044.10x = 7,538,876,898.95
  5. Step 5: Solve for x
    x = 7,538,876,898.95/77,044.10
  6. Step 6: Final answer
    x = 97,851.45

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Similar ratio
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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.