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Finding the Fourth Proportional to 265,726.68, 366,805.20 and 194,671.08

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Solution

The fourth proportional to 265,726.68, 366,805.20 and 194,671.08 is: 268,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,726.68 : 366,805.20 = 194,671.08 : x
  2. Step 2: Convert to fraction form
    265,726.68/366,805.20 = 194,671.08/x
  3. Step 3: Cross multiply
    265,726.68x = 366,805.20 × 194,671.08
  4. Step 4: Simplify right side
    265,726.68x = 71,406,364,433.62
  5. Step 5: Solve for x
    x = 71,406,364,433.62/265,726.68
  6. Step 6: Final answer
    x = 268,721.10

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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.