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Finding the Fourth Proportional to 249,649.68, 374,143.32 and 109,255.44

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Solution

The fourth proportional to 249,649.68, 374,143.32 and 109,255.44 is: 163,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,649.68 : 374,143.32 = 109,255.44 : x
  2. Step 2: Convert to fraction form
    249,649.68/374,143.32 = 109,255.44/x
  3. Step 3: Cross multiply
    249,649.68x = 374,143.32 × 109,255.44
  4. Step 4: Simplify right side
    249,649.68x = 40,877,193,049.66
  5. Step 5: Solve for x
    x = 40,877,193,049.66/249,649.68
  6. Step 6: Final answer
    x = 163,738.22

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1.5x scale

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.