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Finding the Fourth Proportional to 73,134.88, 109,718.88 and 23,218

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Solution

The fourth proportional to 73,134.88, 109,718.88 and 23,218 is: 34,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,134.88 : 109,718.88 = 23,218 : x
  2. Step 2: Convert to fraction form
    73,134.88/109,718.88 = 23,218/x
  3. Step 3: Cross multiply
    73,134.88x = 109,718.88 × 23,218
  4. Step 4: Simplify right side
    73,134.88x = 2,547,452,955.84
  5. Step 5: Solve for x
    x = 2,547,452,955.84/73,134.88
  6. Step 6: Final answer
    x = 34,832.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.