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Finding the Fourth Proportional to 162,229.32, 243,324.81 and 49,909.32

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Solution

The fourth proportional to 162,229.32, 243,324.81 and 49,909.32 is: 74,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,229.32 : 243,324.81 = 49,909.32 : x
  2. Step 2: Convert to fraction form
    162,229.32/243,324.81 = 49,909.32/x
  3. Step 3: Cross multiply
    162,229.32x = 243,324.81 × 49,909.32
  4. Step 4: Simplify right side
    162,229.32x = 12,144,175,806.23
  5. Step 5: Solve for x
    x = 12,144,175,806.23/162,229.32
  6. Step 6: Final answer
    x = 74,858.08

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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.