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Finding the Fourth Proportional to 161,713.10, 242,569.65 and 73,066.70

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Solution

The fourth proportional to 161,713.10, 242,569.65 and 73,066.70 is: 109,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.10 : 242,569.65 = 73,066.70 : x
  2. Step 2: Convert to fraction form
    161,713.10/242,569.65 = 73,066.70/x
  3. Step 3: Cross multiply
    161,713.10x = 242,569.65 × 73,066.70
  4. Step 4: Simplify right side
    161,713.10x = 17,723,763,845.66
  5. Step 5: Solve for x
    x = 17,723,763,845.66/161,713.10
  6. Step 6: Final answer
    x = 109,600.05

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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.