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Finding the Fourth Proportional to 111,052.56, 153,254.88 and 60,751.56

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Solution

The fourth proportional to 111,052.56, 153,254.88 and 60,751.56 is: 83,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,052.56 : 153,254.88 = 60,751.56 : x
  2. Step 2: Convert to fraction form
    111,052.56/153,254.88 = 60,751.56/x
  3. Step 3: Cross multiply
    111,052.56x = 153,254.88 × 60,751.56
  4. Step 4: Simplify right side
    111,052.56x = 9,310,473,037.61
  5. Step 5: Solve for x
    x = 9,310,473,037.61/111,052.56
  6. Step 6: Final answer
    x = 83,838.44

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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.