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Finding the Fourth Proportional to 169,155.48, 233,193.42 and 121,393.56

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Solution

The fourth proportional to 169,155.48, 233,193.42 and 121,393.56 is: 167,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,155.48 : 233,193.42 = 121,393.56 : x
  2. Step 2: Convert to fraction form
    169,155.48/233,193.42 = 121,393.56/x
  3. Step 3: Cross multiply
    169,155.48x = 233,193.42 × 121,393.56
  4. Step 4: Simplify right side
    169,155.48x = 28,308,179,422.38
  5. Step 5: Solve for x
    x = 28,308,179,422.38/169,155.48
  6. Step 6: Final answer
    x = 167,350.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.