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Finding the Fourth Proportional to 159,624.50, 220,291.74 and 88,004.42

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Solution

The fourth proportional to 159,624.50, 220,291.74 and 88,004.42 is: 121,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,624.50 : 220,291.74 = 88,004.42 : x
  2. Step 2: Convert to fraction form
    159,624.50/220,291.74 = 88,004.42/x
  3. Step 3: Cross multiply
    159,624.50x = 220,291.74 × 88,004.42
  4. Step 4: Simplify right side
    159,624.50x = 19,386,645,708.03
  5. Step 5: Solve for x
    x = 19,386,645,708.03/159,624.50
  6. Step 6: Final answer
    x = 121,451.57

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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.