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Finding the Fourth Proportional to 111,125.44, 153,356.70 and 60,824.44

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Solution

The fourth proportional to 111,125.44, 153,356.70 and 60,824.44 is: 83,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,125.44 : 153,356.70 = 60,824.44 : x
  2. Step 2: Convert to fraction form
    111,125.44/153,356.70 = 60,824.44/x
  3. Step 3: Cross multiply
    111,125.44x = 153,356.70 × 60,824.44
  4. Step 4: Simplify right side
    111,125.44x = 9,327,835,397.75
  5. Step 5: Solve for x
    x = 9,327,835,397.75/111,125.44
  6. Step 6: Final answer
    x = 83,939.69

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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.