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Finding the Fourth Proportional to 115,902.76, 173,868.72 and 41,005.30

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Solution

The fourth proportional to 115,902.76, 173,868.72 and 41,005.30 is: 61,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,902.76 : 173,868.72 = 41,005.30 : x
  2. Step 2: Convert to fraction form
    115,902.76/173,868.72 = 41,005.30/x
  3. Step 3: Cross multiply
    115,902.76x = 173,868.72 × 41,005.30
  4. Step 4: Simplify right side
    115,902.76x = 7,129,539,024.22
  5. Step 5: Solve for x
    x = 7,129,539,024.22/115,902.76
  6. Step 6: Final answer
    x = 61,513.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.