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Finding the Fourth Proportional to 218,108.05, 327,162.06 and 60,332.40

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Solution

The fourth proportional to 218,108.05, 327,162.06 and 60,332.40 is: 90,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,108.05 : 327,162.06 = 60,332.40 : x
  2. Step 2: Convert to fraction form
    218,108.05/327,162.06 = 60,332.40/x
  3. Step 3: Cross multiply
    218,108.05x = 327,162.06 × 60,332.40
  4. Step 4: Simplify right side
    218,108.05x = 19,738,472,268.74
  5. Step 5: Solve for x
    x = 19,738,472,268.74/218,108.05
  6. Step 6: Final answer
    x = 90,498.60

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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.