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Finding the Fourth Proportional to 83,001.60, 124,518.60 and 35,616.60

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Solution

The fourth proportional to 83,001.60, 124,518.60 and 35,616.60 is: 53,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001.60 : 124,518.60 = 35,616.60 : x
  2. Step 2: Convert to fraction form
    83,001.60/124,518.60 = 35,616.60/x
  3. Step 3: Cross multiply
    83,001.60x = 124,518.60 × 35,616.60
  4. Step 4: Simplify right side
    83,001.60x = 4,434,929,168.76
  5. Step 5: Solve for x
    x = 4,434,929,168.76/83,001.60
  6. Step 6: Final answer
    x = 53,431.85

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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.