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Finding the Fourth Proportional to 242,806.80, 363,882.15 and 162,616.80

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Solution

The fourth proportional to 242,806.80, 363,882.15 and 162,616.80 is: 243,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,806.80 : 363,882.15 = 162,616.80 : x
  2. Step 2: Convert to fraction form
    242,806.80/363,882.15 = 162,616.80/x
  3. Step 3: Cross multiply
    242,806.80x = 363,882.15 × 162,616.80
  4. Step 4: Simplify right side
    242,806.80x = 59,173,350,810.12
  5. Step 5: Solve for x
    x = 59,173,350,810.12/242,806.80
  6. Step 6: Final answer
    x = 243,705.49

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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.