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Finding the Fourth Proportional to 111,239.84, 153,508.92 and 60,938.48

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Solution

The fourth proportional to 111,239.84, 153,508.92 and 60,938.48 is: 84,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.84 : 153,508.92 = 60,938.48 : x
  2. Step 2: Convert to fraction form
    111,239.84/153,508.92 = 60,938.48/x
  3. Step 3: Cross multiply
    111,239.84x = 153,508.92 × 60,938.48
  4. Step 4: Simplify right side
    111,239.84x = 9,354,600,251.24
  5. Step 5: Solve for x
    x = 9,354,600,251.24/111,239.84
  6. Step 6: Final answer
    x = 84,093.97

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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.