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Finding the Fourth Proportional to 118,060.76, 162,927.31 and 64,349.26

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Solution

The fourth proportional to 118,060.76, 162,927.31 and 64,349.26 is: 88,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,060.76 : 162,927.31 = 64,349.26 : x
  2. Step 2: Convert to fraction form
    118,060.76/162,927.31 = 64,349.26/x
  3. Step 3: Cross multiply
    118,060.76x = 162,927.31 × 64,349.26
  4. Step 4: Simplify right side
    118,060.76x = 10,484,251,832.29
  5. Step 5: Solve for x
    x = 10,484,251,832.29/118,060.76
  6. Step 6: Final answer
    x = 88,803.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.