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Finding the Fourth Proportional to 160,016.69, 220,814.88 and 88,382.86

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Solution

The fourth proportional to 160,016.69, 220,814.88 and 88,382.86 is: 121,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,016.69 : 220,814.88 = 88,382.86 : x
  2. Step 2: Convert to fraction form
    160,016.69/220,814.88 = 88,382.86/x
  3. Step 3: Cross multiply
    160,016.69x = 220,814.88 × 88,382.86
  4. Step 4: Simplify right side
    160,016.69x = 19,516,249,741.48
  5. Step 5: Solve for x
    x = 19,516,249,741.48/160,016.69
  6. Step 6: Final answer
    x = 121,963.84

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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.