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Finding the Fourth Proportional to 250,377.93, 375,628.32 and 72,886.55

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Solution

The fourth proportional to 250,377.93, 375,628.32 and 72,886.55 is: 109,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,377.93 : 375,628.32 = 72,886.55 : x
  2. Step 2: Convert to fraction form
    250,377.93/375,628.32 = 72,886.55/x
  3. Step 3: Cross multiply
    250,377.93x = 375,628.32 × 72,886.55
  4. Step 4: Simplify right side
    250,377.93x = 27,378,250,448.95
  5. Step 5: Solve for x
    x = 27,378,250,448.95/250,377.93
  6. Step 6: Final answer
    x = 109,347.70

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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.