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Finding the Fourth Proportional to 60,233.41, 90,278.43 and 45,393.40

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Solution

The fourth proportional to 60,233.41, 90,278.43 and 45,393.40 is: 68,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,233.41 : 90,278.43 = 45,393.40 : x
  2. Step 2: Convert to fraction form
    60,233.41/90,278.43 = 45,393.40/x
  3. Step 3: Cross multiply
    60,233.41x = 90,278.43 × 45,393.40
  4. Step 4: Simplify right side
    60,233.41x = 4,098,044,884.36
  5. Step 5: Solve for x
    x = 4,098,044,884.36/60,233.41
  6. Step 6: Final answer
    x = 68,036.08

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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.