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Finding the Fourth Proportional to 230,020.01, 345,043.80 and 72,248.46

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Solution

The fourth proportional to 230,020.01, 345,043.80 and 72,248.46 is: 108,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,020.01 : 345,043.80 = 72,248.46 : x
  2. Step 2: Convert to fraction form
    230,020.01/345,043.80 = 72,248.46/x
  3. Step 3: Cross multiply
    230,020.01x = 345,043.80 × 72,248.46
  4. Step 4: Simplify right side
    230,020.01x = 24,928,883,864.54
  5. Step 5: Solve for x
    x = 24,928,883,864.54/230,020.01
  6. Step 6: Final answer
    x = 108,377.02

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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.