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Finding the Fourth Proportional to 218,164.38, 327,165.56 and 75,973.15

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Solution

The fourth proportional to 218,164.38, 327,165.56 and 75,973.15 is: 113,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,164.38 : 327,165.56 = 75,973.15 : x
  2. Step 2: Convert to fraction form
    218,164.38/327,165.56 = 75,973.15/x
  3. Step 3: Cross multiply
    218,164.38x = 327,165.56 × 75,973.15
  4. Step 4: Simplify right side
    218,164.38x = 24,855,798,164.71
  5. Step 5: Solve for x
    x = 24,855,798,164.71/218,164.38
  6. Step 6: Final answer
    x = 113,931.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.