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Finding the Fourth Proportional to 75,034, 103,548.84 and 45,227.92

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Solution

The fourth proportional to 75,034, 103,548.84 and 45,227.92 is: 62,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,034 : 103,548.84 = 45,227.92 : x
  2. Step 2: Convert to fraction form
    75,034/103,548.84 = 45,227.92/x
  3. Step 3: Cross multiply
    75,034x = 103,548.84 × 45,227.92
  4. Step 4: Simplify right side
    75,034x = 4,683,298,651.61
  5. Step 5: Solve for x
    x = 4,683,298,651.61/75,034
  6. Step 6: Final answer
    x = 62,415.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.