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Finding the Fourth Proportional to 249,600.80, 374,449.80 and 107,445.80

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Solution

The fourth proportional to 249,600.80, 374,449.80 and 107,445.80 is: 161,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,600.80 : 374,449.80 = 107,445.80 : x
  2. Step 2: Convert to fraction form
    249,600.80/374,449.80 = 107,445.80/x
  3. Step 3: Cross multiply
    249,600.80x = 374,449.80 × 107,445.80
  4. Step 4: Simplify right side
    249,600.80x = 40,233,058,320.84
  5. Step 5: Solve for x
    x = 40,233,058,320.84/249,600.80
  6. Step 6: Final answer
    x = 161,189.62

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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.