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Finding the Fourth Proportional to 218,143.64, 327,220.93 and 60,373.46

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Solution

The fourth proportional to 218,143.64, 327,220.93 and 60,373.46 is: 90,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,143.64 : 327,220.93 = 60,373.46 : x
  2. Step 2: Convert to fraction form
    218,143.64/327,220.93 = 60,373.46/x
  3. Step 3: Cross multiply
    218,143.64x = 327,220.93 × 60,373.46
  4. Step 4: Simplify right side
    218,143.64x = 19,755,459,728.52
  5. Step 5: Solve for x
    x = 19,755,459,728.52/218,143.64
  6. Step 6: Final answer
    x = 90,561.70

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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.