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Finding the Fourth Proportional to 242,930.84, 335,230.13 and 140,948.40

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Solution

The fourth proportional to 242,930.84, 335,230.13 and 140,948.40 is: 194,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,930.84 : 335,230.13 = 140,948.40 : x
  2. Step 2: Convert to fraction form
    242,930.84/335,230.13 = 140,948.40/x
  3. Step 3: Cross multiply
    242,930.84x = 335,230.13 × 140,948.40
  4. Step 4: Simplify right side
    242,930.84x = 47,250,149,750.55
  5. Step 5: Solve for x
    x = 47,250,149,750.55/242,930.84
  6. Step 6: Final answer
    x = 194,500.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.