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Finding the Fourth Proportional to 162,550.80, 243,902.88 and 57,419.28

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Solution

The fourth proportional to 162,550.80, 243,902.88 and 57,419.28 is: 86,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,550.80 : 243,902.88 = 57,419.28 : x
  2. Step 2: Convert to fraction form
    162,550.80/243,902.88 = 57,419.28/x
  3. Step 3: Cross multiply
    162,550.80x = 243,902.88 × 57,419.28
  4. Step 4: Simplify right side
    162,550.80x = 14,004,727,759.53
  5. Step 5: Solve for x
    x = 14,004,727,759.53/162,550.80
  6. Step 6: Final answer
    x = 86,156.01

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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.