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Finding the Fourth Proportional to 159,632.88, 220,294.86 and 88,015.44

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Solution

The fourth proportional to 159,632.88, 220,294.86 and 88,015.44 is: 121,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,632.88 : 220,294.86 = 88,015.44 : x
  2. Step 2: Convert to fraction form
    159,632.88/220,294.86 = 88,015.44/x
  3. Step 3: Cross multiply
    159,632.88x = 220,294.86 × 88,015.44
  4. Step 4: Simplify right side
    159,632.88x = 19,389,349,528.69
  5. Step 5: Solve for x
    x = 19,389,349,528.69/159,632.88
  6. Step 6: Final answer
    x = 121,462.13

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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.