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Finding the Fourth Proportional to 71,065.92, 98,040.06 and 45,526.62

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Solution

The fourth proportional to 71,065.92, 98,040.06 and 45,526.62 is: 62,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,065.92 : 98,040.06 = 45,526.62 : x
  2. Step 2: Convert to fraction form
    71,065.92/98,040.06 = 45,526.62/x
  3. Step 3: Cross multiply
    71,065.92x = 98,040.06 × 45,526.62
  4. Step 4: Simplify right side
    71,065.92x = 4,463,432,556.40
  5. Step 5: Solve for x
    x = 4,463,432,556.40/71,065.92
  6. Step 6: Final answer
    x = 62,806.93

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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.