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Finding the Fourth Proportional to 232,005.80, 348,008.70 and 74,239.40

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Solution

The fourth proportional to 232,005.80, 348,008.70 and 74,239.40 is: 111,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,005.80 : 348,008.70 = 74,239.40 : x
  2. Step 2: Convert to fraction form
    232,005.80/348,008.70 = 74,239.40/x
  3. Step 3: Cross multiply
    232,005.80x = 348,008.70 × 74,239.40
  4. Step 4: Simplify right side
    232,005.80x = 25,835,957,082.78
  5. Step 5: Solve for x
    x = 25,835,957,082.78/232,005.80
  6. Step 6: Final answer
    x = 111,359.10

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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.