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Finding the Fourth Proportional to 60,076, 90,126.88 and 17,959.38

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Solution

The fourth proportional to 60,076, 90,126.88 and 17,959.38 is: 26,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,076 : 90,126.88 = 17,959.38 : x
  2. Step 2: Convert to fraction form
    60,076/90,126.88 = 17,959.38/x
  3. Step 3: Cross multiply
    60,076x = 90,126.88 × 17,959.38
  4. Step 4: Simplify right side
    60,076x = 1,618,622,886.13
  5. Step 5: Solve for x
    x = 1,618,622,886.13/60,076
  6. Step 6: Final answer
    x = 26,942.92

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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.