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Finding the Fourth Proportional to 71,897.31, 99,177.05 and 44,993.10

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Solution

The fourth proportional to 71,897.31, 99,177.05 and 44,993.10 is: 62,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.31 : 99,177.05 = 44,993.10 : x
  2. Step 2: Convert to fraction form
    71,897.31/99,177.05 = 44,993.10/x
  3. Step 3: Cross multiply
    71,897.31x = 99,177.05 × 44,993.10
  4. Step 4: Simplify right side
    71,897.31x = 4,462,282,703.39
  5. Step 5: Solve for x
    x = 4,462,282,703.39/71,897.31
  6. Step 6: Final answer
    x = 62,064.67

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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.