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Finding the Fourth Proportional to 71,045.11, 98,036.03 and 45,506.41

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Solution

The fourth proportional to 71,045.11, 98,036.03 and 45,506.41 is: 62,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.11 : 98,036.03 = 45,506.41 : x
  2. Step 2: Convert to fraction form
    71,045.11/98,036.03 = 45,506.41/x
  3. Step 3: Cross multiply
    71,045.11x = 98,036.03 × 45,506.41
  4. Step 4: Simplify right side
    71,045.11x = 4,461,267,775.95
  5. Step 5: Solve for x
    x = 4,461,267,775.95/71,045.11
  6. Step 6: Final answer
    x = 62,794.86

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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.