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Finding the Fourth Proportional to 160,123.60, 239,926.20 and 100,853.20

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Solution

The fourth proportional to 160,123.60, 239,926.20 and 100,853.20 is: 151,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,123.60 : 239,926.20 = 100,853.20 : x
  2. Step 2: Convert to fraction form
    160,123.60/239,926.20 = 100,853.20/x
  3. Step 3: Cross multiply
    160,123.60x = 239,926.20 × 100,853.20
  4. Step 4: Simplify right side
    160,123.60x = 24,197,325,033.84
  5. Step 5: Solve for x
    x = 24,197,325,033.84/160,123.60
  6. Step 6: Final answer
    x = 151,116.54

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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.