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Finding the Fourth Proportional to 159,658.02, 220,329.75 and 88,040.64

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Solution

The fourth proportional to 159,658.02, 220,329.75 and 88,040.64 is: 121,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,658.02 : 220,329.75 = 88,040.64 : x
  2. Step 2: Convert to fraction form
    159,658.02/220,329.75 = 88,040.64/x
  3. Step 3: Cross multiply
    159,658.02x = 220,329.75 × 88,040.64
  4. Step 4: Simplify right side
    159,658.02x = 19,397,972,201.04
  5. Step 5: Solve for x
    x = 19,397,972,201.04/159,658.02
  6. Step 6: Final answer
    x = 121,497.01

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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.