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Finding the Fourth Proportional to 99,264.24, 148,808.88 and 36,891

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Solution

The fourth proportional to 99,264.24, 148,808.88 and 36,891 is: 55,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.24 : 148,808.88 = 36,891 : x
  2. Step 2: Convert to fraction form
    99,264.24/148,808.88 = 36,891/x
  3. Step 3: Cross multiply
    99,264.24x = 148,808.88 × 36,891
  4. Step 4: Simplify right side
    99,264.24x = 5,489,708,392.08
  5. Step 5: Solve for x
    x = 5,489,708,392.08/99,264.24
  6. Step 6: Final answer
    x = 55,303.99

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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.