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Finding the Fourth Proportional to 160,015.27, 220,829.30 and 88,394.71

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Solution

The fourth proportional to 160,015.27, 220,829.30 and 88,394.71 is: 121,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,015.27 : 220,829.30 = 88,394.71 : x
  2. Step 2: Convert to fraction form
    160,015.27/220,829.30 = 88,394.71/x
  3. Step 3: Cross multiply
    160,015.27x = 220,829.30 × 88,394.71
  4. Step 4: Simplify right side
    160,015.27x = 19,520,141,491.03
  5. Step 5: Solve for x
    x = 19,520,141,491.03/160,015.27
  6. Step 6: Final answer
    x = 121,989.24

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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.