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Finding the Fourth Proportional to 250,259.82, 375,426.36 and 72,743.76

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Solution

The fourth proportional to 250,259.82, 375,426.36 and 72,743.76 is: 109,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,259.82 : 375,426.36 = 72,743.76 : x
  2. Step 2: Convert to fraction form
    250,259.82/375,426.36 = 72,743.76/x
  3. Step 3: Cross multiply
    250,259.82x = 375,426.36 × 72,743.76
  4. Step 4: Simplify right side
    250,259.82x = 27,309,925,029.51
  5. Step 5: Solve for x
    x = 27,309,925,029.51/250,259.82
  6. Step 6: Final answer
    x = 109,126.29

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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.