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Finding the Fourth Proportional to 111,352.64, 167,024.64 and 36,478.40

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Solution

The fourth proportional to 111,352.64, 167,024.64 and 36,478.40 is: 54,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.64 : 167,024.64 = 36,478.40 : x
  2. Step 2: Convert to fraction form
    111,352.64/167,024.64 = 36,478.40/x
  3. Step 3: Cross multiply
    111,352.64x = 167,024.64 × 36,478.40
  4. Step 4: Simplify right side
    111,352.64x = 6,092,791,627.78
  5. Step 5: Solve for x
    x = 6,092,791,627.78/111,352.64
  6. Step 6: Final answer
    x = 54,716.18

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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.