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Finding the Fourth Proportional to 251,266.32, 376,618.68 and 108,947.16

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Solution

The fourth proportional to 251,266.32, 376,618.68 and 108,947.16 is: 163,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,266.32 : 376,618.68 = 108,947.16 : x
  2. Step 2: Convert to fraction form
    251,266.32/376,618.68 = 108,947.16/x
  3. Step 3: Cross multiply
    251,266.32x = 376,618.68 × 108,947.16
  4. Step 4: Simplify right side
    251,266.32x = 41,031,535,588.95
  5. Step 5: Solve for x
    x = 41,031,535,588.95/251,266.32
  6. Step 6: Final answer
    x = 163,298.99

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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.