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Finding the Fourth Proportional to 131,807.52, 197,742.60 and 43,060.95

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Solution

The fourth proportional to 131,807.52, 197,742.60 and 43,060.95 is: 64,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.52 : 197,742.60 = 43,060.95 : x
  2. Step 2: Convert to fraction form
    131,807.52/197,742.60 = 43,060.95/x
  3. Step 3: Cross multiply
    131,807.52x = 197,742.60 × 43,060.95
  4. Step 4: Simplify right side
    131,807.52x = 8,514,984,211.47
  5. Step 5: Solve for x
    x = 8,514,984,211.47/131,807.52
  6. Step 6: Final answer
    x = 64,601.66

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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.