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Finding the Fourth Proportional to 249,967.80, 374,951.70 and 109,726.43

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Solution

The fourth proportional to 249,967.80, 374,951.70 and 109,726.43 is: 164,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,967.80 : 374,951.70 = 109,726.43 : x
  2. Step 2: Convert to fraction form
    249,967.80/374,951.70 = 109,726.43/x
  3. Step 3: Cross multiply
    249,967.80x = 374,951.70 × 109,726.43
  4. Step 4: Simplify right side
    249,967.80x = 41,142,109,588.67
  5. Step 5: Solve for x
    x = 41,142,109,588.67/249,967.80
  6. Step 6: Final answer
    x = 164,589.64

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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.