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Finding the Fourth Proportional to 249,675.20, 374,512.80 and 92,016.80

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Solution

The fourth proportional to 249,675.20, 374,512.80 and 92,016.80 is: 138,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,675.20 : 374,512.80 = 92,016.80 : x
  2. Step 2: Convert to fraction form
    249,675.20/374,512.80 = 92,016.80/x
  3. Step 3: Cross multiply
    249,675.20x = 374,512.80 × 92,016.80
  4. Step 4: Simplify right side
    249,675.20x = 34,461,469,415.04
  5. Step 5: Solve for x
    x = 34,461,469,415.04/249,675.20
  6. Step 6: Final answer
    x = 138,025.20

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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.