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Finding the Fourth Proportional to 310,040.10, 465,060.15 and 132,565.05

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Solution

The fourth proportional to 310,040.10, 465,060.15 and 132,565.05 is: 198,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,040.10 : 465,060.15 = 132,565.05 : x
  2. Step 2: Convert to fraction form
    310,040.10/465,060.15 = 132,565.05/x
  3. Step 3: Cross multiply
    310,040.10x = 465,060.15 × 132,565.05
  4. Step 4: Simplify right side
    310,040.10x = 61,650,722,037.76
  5. Step 5: Solve for x
    x = 61,650,722,037.76/310,040.10
  6. Step 6: Final answer
    x = 198,847.58

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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.