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Finding the Fourth Proportional to 237,808.20, 328,174.02 and 130,382.76

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Solution

The fourth proportional to 237,808.20, 328,174.02 and 130,382.76 is: 179,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,808.20 : 328,174.02 = 130,382.76 : x
  2. Step 2: Convert to fraction form
    237,808.20/328,174.02 = 130,382.76/x
  3. Step 3: Cross multiply
    237,808.20x = 328,174.02 × 130,382.76
  4. Step 4: Simplify right side
    237,808.20x = 42,788,234,487.90
  5. Step 5: Solve for x
    x = 42,788,234,487.90/237,808.20
  6. Step 6: Final answer
    x = 179,927.50

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1.5x scale

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.