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Finding the Fourth Proportional to 249,674.60, 374,336.90 and 91,882.52

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Solution

The fourth proportional to 249,674.60, 374,336.90 and 91,882.52 is: 137,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,674.60 : 374,336.90 = 91,882.52 : x
  2. Step 2: Convert to fraction form
    249,674.60/374,336.90 = 91,882.52/x
  3. Step 3: Cross multiply
    249,674.60x = 374,336.90 × 91,882.52
  4. Step 4: Simplify right side
    249,674.60x = 34,395,017,700.99
  5. Step 5: Solve for x
    x = 34,395,017,700.99/249,674.60
  6. Step 6: Final answer
    x = 137,759.38

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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.