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Finding the Fourth Proportional to 177,061.06, 242,969.65 and 161,023.06

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Solution

The fourth proportional to 177,061.06, 242,969.65 and 161,023.06 is: 220,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,061.06 : 242,969.65 = 161,023.06 : x
  2. Step 2: Convert to fraction form
    177,061.06/242,969.65 = 161,023.06/x
  3. Step 3: Cross multiply
    177,061.06x = 242,969.65 × 161,023.06
  4. Step 4: Simplify right side
    177,061.06x = 39,123,716,530.13
  5. Step 5: Solve for x
    x = 39,123,716,530.13/177,061.06
  6. Step 6: Final answer
    x = 220,961.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.