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Finding the Fourth Proportional to 249,934.20, 374,609.70 and 100,100.40

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Solution

The fourth proportional to 249,934.20, 374,609.70 and 100,100.40 is: 150,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,934.20 : 374,609.70 = 100,100.40 : x
  2. Step 2: Convert to fraction form
    249,934.20/374,609.70 = 100,100.40/x
  3. Step 3: Cross multiply
    249,934.20x = 374,609.70 × 100,100.40
  4. Step 4: Simplify right side
    249,934.20x = 37,498,580,813.88
  5. Step 5: Solve for x
    x = 37,498,580,813.88/249,934.20
  6. Step 6: Final answer
    x = 150,033.81

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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.