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Finding the Fourth Proportional to 169,732.80, 234,269.82 and 112,374.27

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Solution

The fourth proportional to 169,732.80, 234,269.82 and 112,374.27 is: 155,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,732.80 : 234,269.82 = 112,374.27 : x
  2. Step 2: Convert to fraction form
    169,732.80/234,269.82 = 112,374.27/x
  3. Step 3: Cross multiply
    169,732.80x = 234,269.82 × 112,374.27
  4. Step 4: Simplify right side
    169,732.80x = 26,325,900,005.53
  5. Step 5: Solve for x
    x = 26,325,900,005.53/169,732.80
  6. Step 6: Final answer
    x = 155,102.02

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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.