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Finding the Fourth Proportional to 110,873.70, 152,962.29 and 68,358.42

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Solution

The fourth proportional to 110,873.70, 152,962.29 and 68,358.42 is: 94,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,873.70 : 152,962.29 = 68,358.42 : x
  2. Step 2: Convert to fraction form
    110,873.70/152,962.29 = 68,358.42/x
  3. Step 3: Cross multiply
    110,873.70x = 152,962.29 × 68,358.42
  4. Step 4: Simplify right side
    110,873.70x = 10,456,260,463.98
  5. Step 5: Solve for x
    x = 10,456,260,463.98/110,873.70
  6. Step 6: Final answer
    x = 94,307.85

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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.