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Finding the Fourth Proportional to 159,544.59, 220,173.06 and 87,927.24

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Solution

The fourth proportional to 159,544.59, 220,173.06 and 87,927.24 is: 121,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,544.59 : 220,173.06 = 87,927.24 : x
  2. Step 2: Convert to fraction form
    159,544.59/220,173.06 = 87,927.24/x
  3. Step 3: Cross multiply
    159,544.59x = 220,173.06 × 87,927.24
  4. Step 4: Simplify right side
    159,544.59x = 19,359,209,488.15
  5. Step 5: Solve for x
    x = 19,359,209,488.15/159,544.59
  6. Step 6: Final answer
    x = 121,340.43

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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.