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Finding the Fourth Proportional to 249,850.60, 374,752.86 and 83,640.04

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Solution

The fourth proportional to 249,850.60, 374,752.86 and 83,640.04 is: 125,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,850.60 : 374,752.86 = 83,640.04 : x
  2. Step 2: Convert to fraction form
    249,850.60/374,752.86 = 83,640.04/x
  3. Step 3: Cross multiply
    249,850.60x = 374,752.86 × 83,640.04
  4. Step 4: Simplify right side
    249,850.60x = 31,344,344,200.51
  5. Step 5: Solve for x
    x = 31,344,344,200.51/249,850.60
  6. Step 6: Final answer
    x = 125,452.35

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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.