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Finding the Fourth Proportional to 301,957.28, 453,005.82 and 88,728.44

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Solution

The fourth proportional to 301,957.28, 453,005.82 and 88,728.44 is: 133,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,957.28 : 453,005.82 = 88,728.44 : x
  2. Step 2: Convert to fraction form
    301,957.28/453,005.82 = 88,728.44/x
  3. Step 3: Cross multiply
    301,957.28x = 453,005.82 × 88,728.44
  4. Step 4: Simplify right side
    301,957.28x = 40,194,499,719.52
  5. Step 5: Solve for x
    x = 40,194,499,719.52/301,957.28
  6. Step 6: Final answer
    x = 133,113.20

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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.