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Finding the Fourth Proportional to 111,253.66, 153,528.87 and 60,952.54

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Solution

The fourth proportional to 111,253.66, 153,528.87 and 60,952.54 is: 84,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,253.66 : 153,528.87 = 60,952.54 : x
  2. Step 2: Convert to fraction form
    111,253.66/153,528.87 = 60,952.54/x
  3. Step 3: Cross multiply
    111,253.66x = 153,528.87 × 60,952.54
  4. Step 4: Simplify right side
    111,253.66x = 9,357,974,589.83
  5. Step 5: Solve for x
    x = 9,357,974,589.83/111,253.66
  6. Step 6: Final answer
    x = 84,113.86

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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.