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Finding the Fourth Proportional to 160,988.70, 241,569.45 and 67,503.90

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Solution

The fourth proportional to 160,988.70, 241,569.45 and 67,503.90 is: 101,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,988.70 : 241,569.45 = 67,503.90 : x
  2. Step 2: Convert to fraction form
    160,988.70/241,569.45 = 67,503.90/x
  3. Step 3: Cross multiply
    160,988.70x = 241,569.45 × 67,503.90
  4. Step 4: Simplify right side
    160,988.70x = 16,306,879,995.86
  5. Step 5: Solve for x
    x = 16,306,879,995.86/160,988.70
  6. Step 6: Final answer
    x = 101,292.08

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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.