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Finding the Fourth Proportional to 111,502.75, 153,871.24 and 60,515.58

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Solution

The fourth proportional to 111,502.75, 153,871.24 and 60,515.58 is: 83,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,502.75 : 153,871.24 = 60,515.58 : x
  2. Step 2: Convert to fraction form
    111,502.75/153,871.24 = 60,515.58/x
  3. Step 3: Cross multiply
    111,502.75x = 153,871.24 × 60,515.58
  4. Step 4: Simplify right side
    111,502.75x = 9,311,607,333.92
  5. Step 5: Solve for x
    x = 9,311,607,333.92/111,502.75
  6. Step 6: Final answer
    x = 83,510.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.