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Finding the Fourth Proportional to 242,006.20, 362,960.70 and 115,646.20

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Solution

The fourth proportional to 242,006.20, 362,960.70 and 115,646.20 is: 173,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,006.20 : 362,960.70 = 115,646.20 : x
  2. Step 2: Convert to fraction form
    242,006.20/362,960.70 = 115,646.20/x
  3. Step 3: Cross multiply
    242,006.20x = 362,960.70 × 115,646.20
  4. Step 4: Simplify right side
    242,006.20x = 41,975,025,704.34
  5. Step 5: Solve for x
    x = 41,975,025,704.34/242,006.20
  6. Step 6: Final answer
    x = 173,446.08

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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.