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Finding the Fourth Proportional to 99,255, 148,795 and 36,881.76

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Solution

The fourth proportional to 99,255, 148,795 and 36,881.76 is: 55,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255 : 148,795 = 36,881.76 : x
  2. Step 2: Convert to fraction form
    99,255/148,795 = 36,881.76/x
  3. Step 3: Cross multiply
    99,255x = 148,795 × 36,881.76
  4. Step 4: Simplify right side
    99,255x = 5,487,821,479.20
  5. Step 5: Solve for x
    x = 5,487,821,479.20/99,255
  6. Step 6: Final answer
    x = 55,290.13

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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.