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Finding the Fourth Proportional to 249,600.30, 374,449.05 and 107,445.30

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Solution

The fourth proportional to 249,600.30, 374,449.05 and 107,445.30 is: 161,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,600.30 : 374,449.05 = 107,445.30 : x
  2. Step 2: Convert to fraction form
    249,600.30/374,449.05 = 107,445.30/x
  3. Step 3: Cross multiply
    249,600.30x = 374,449.05 × 107,445.30
  4. Step 4: Simplify right side
    249,600.30x = 40,232,790,511.97
  5. Step 5: Solve for x
    x = 40,232,790,511.97/249,600.30
  6. Step 6: Final answer
    x = 161,188.87

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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.