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Finding the Fourth Proportional to 67,888.71, 101,838.06 and 17,968.47

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Solution

The fourth proportional to 67,888.71, 101,838.06 and 17,968.47 is: 26,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888.71 : 101,838.06 = 17,968.47 : x
  2. Step 2: Convert to fraction form
    67,888.71/101,838.06 = 17,968.47/x
  3. Step 3: Cross multiply
    67,888.71x = 101,838.06 × 17,968.47
  4. Step 4: Simplify right side
    67,888.71x = 1,829,874,125.97
  5. Step 5: Solve for x
    x = 1,829,874,125.97/67,888.71
  6. Step 6: Final answer
    x = 26,954.03

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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.