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Finding the Fourth Proportional to 111,145.88, 153,381.32 and 60,844.88

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Solution

The fourth proportional to 111,145.88, 153,381.32 and 60,844.88 is: 83,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,145.88 : 153,381.32 = 60,844.88 : x
  2. Step 2: Convert to fraction form
    111,145.88/153,381.32 = 60,844.88/x
  3. Step 3: Cross multiply
    111,145.88x = 153,381.32 × 60,844.88
  4. Step 4: Simplify right side
    111,145.88x = 9,332,466,938.51
  5. Step 5: Solve for x
    x = 9,332,466,938.51/111,145.88
  6. Step 6: Final answer
    x = 83,965.93

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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.