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Finding the Fourth Proportional to 159,550.69, 220,170.05 and 87,926.71

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Solution

The fourth proportional to 159,550.69, 220,170.05 and 87,926.71 is: 121,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.69 : 220,170.05 = 87,926.71 : x
  2. Step 2: Convert to fraction form
    159,550.69/220,170.05 = 87,926.71/x
  3. Step 3: Cross multiply
    159,550.69x = 220,170.05 × 87,926.71
  4. Step 4: Simplify right side
    159,550.69x = 19,358,827,256.00
  5. Step 5: Solve for x
    x = 19,358,827,256.00/159,550.69
  6. Step 6: Final answer
    x = 121,333.40

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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.