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Finding the Fourth Proportional to 111,227.96, 153,493.80 and 60,239.54

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Solution

The fourth proportional to 111,227.96, 153,493.80 and 60,239.54 is: 83,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,227.96 : 153,493.80 = 60,239.54 : x
  2. Step 2: Convert to fraction form
    111,227.96/153,493.80 = 60,239.54/x
  3. Step 3: Cross multiply
    111,227.96x = 153,493.80 × 60,239.54
  4. Step 4: Simplify right side
    111,227.96x = 9,246,395,137.38
  5. Step 5: Solve for x
    x = 9,246,395,137.38/111,227.96
  6. Step 6: Final answer
    x = 83,130.14

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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.