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Finding the Fourth Proportional to 249,310.16, 374,129.04 and 91,540.16

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Solution

The fourth proportional to 249,310.16, 374,129.04 and 91,540.16 is: 137,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,310.16 : 374,129.04 = 91,540.16 : x
  2. Step 2: Convert to fraction form
    249,310.16/374,129.04 = 91,540.16/x
  3. Step 3: Cross multiply
    249,310.16x = 374,129.04 × 91,540.16
  4. Step 4: Simplify right side
    249,310.16x = 34,247,832,182.25
  5. Step 5: Solve for x
    x = 34,247,832,182.25/249,310.16
  6. Step 6: Final answer
    x = 137,370.38

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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.