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Finding the Fourth Proportional to 160,897.20, 241,432.20 and 67,412.40

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Solution

The fourth proportional to 160,897.20, 241,432.20 and 67,412.40 is: 101,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,897.20 : 241,432.20 = 67,412.40 : x
  2. Step 2: Convert to fraction form
    160,897.20/241,432.20 = 67,412.40/x
  3. Step 3: Cross multiply
    160,897.20x = 241,432.20 × 67,412.40
  4. Step 4: Simplify right side
    160,897.20x = 16,275,524,039.28
  5. Step 5: Solve for x
    x = 16,275,524,039.28/160,897.20
  6. Step 6: Final answer
    x = 101,154.80

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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.