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Finding the Fourth Proportional to 162,957.70, 244,436.55 and 157,052.80

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Solution

The fourth proportional to 162,957.70, 244,436.55 and 157,052.80 is: 235,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,957.70 : 244,436.55 = 157,052.80 : x
  2. Step 2: Convert to fraction form
    162,957.70/244,436.55 = 157,052.80/x
  3. Step 3: Cross multiply
    162,957.70x = 244,436.55 × 157,052.80
  4. Step 4: Simplify right side
    162,957.70x = 38,389,444,599.84
  5. Step 5: Solve for x
    x = 38,389,444,599.84/162,957.70
  6. Step 6: Final answer
    x = 235,579.20

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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.