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Finding the Fourth Proportional to 249,119.70, 374,663.70 and 223,531.80

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Solution

The fourth proportional to 249,119.70, 374,663.70 and 223,531.80 is: 336,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,119.70 : 374,663.70 = 223,531.80 : x
  2. Step 2: Convert to fraction form
    249,119.70/374,663.70 = 223,531.80/x
  3. Step 3: Cross multiply
    249,119.70x = 374,663.70 × 223,531.80
  4. Step 4: Simplify right side
    249,119.70x = 83,749,251,255.66
  5. Step 5: Solve for x
    x = 83,749,251,255.66/249,119.70
  6. Step 6: Final answer
    x = 336,180.76

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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.