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Finding the Fourth Proportional to 249,442.75, 374,167.37 and 83,230.75

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Solution

The fourth proportional to 249,442.75, 374,167.37 and 83,230.75 is: 124,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,442.75 : 374,167.37 = 83,230.75 : x
  2. Step 2: Convert to fraction form
    249,442.75/374,167.37 = 83,230.75/x
  3. Step 3: Cross multiply
    249,442.75x = 374,167.37 × 83,230.75
  4. Step 4: Simplify right side
    249,442.75x = 31,142,230,414.47
  5. Step 5: Solve for x
    x = 31,142,230,414.47/249,442.75
  6. Step 6: Final answer
    x = 124,847.21

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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.