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Finding the Fourth Proportional to 111,227.94, 153,493.68 and 60,239.49

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Solution

The fourth proportional to 111,227.94, 153,493.68 and 60,239.49 is: 83,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,227.94 : 153,493.68 = 60,239.49 : x
  2. Step 2: Convert to fraction form
    111,227.94/153,493.68 = 60,239.49/x
  3. Step 3: Cross multiply
    111,227.94x = 153,493.68 × 60,239.49
  4. Step 4: Simplify right side
    111,227.94x = 9,246,381,001.42
  5. Step 5: Solve for x
    x = 9,246,381,001.42/111,227.94
  6. Step 6: Final answer
    x = 83,130.02

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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.