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Finding the Fourth Proportional to 75,295.62, 103,897.22 and 45,073.71

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Solution

The fourth proportional to 75,295.62, 103,897.22 and 45,073.71 is: 62,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.62 : 103,897.22 = 45,073.71 : x
  2. Step 2: Convert to fraction form
    75,295.62/103,897.22 = 45,073.71/x
  3. Step 3: Cross multiply
    75,295.62x = 103,897.22 × 45,073.71
  4. Step 4: Simplify right side
    75,295.62x = 4,683,032,938.72
  5. Step 5: Solve for x
    x = 4,683,032,938.72/75,295.62
  6. Step 6: Final answer
    x = 62,195.29

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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.