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Finding the Fourth Proportional to 249,367.35, 344,129.14 and 141,944.30

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Solution

The fourth proportional to 249,367.35, 344,129.14 and 141,944.30 is: 195,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,367.35 : 344,129.14 = 141,944.30 : x
  2. Step 2: Convert to fraction form
    249,367.35/344,129.14 = 141,944.30/x
  3. Step 3: Cross multiply
    249,367.35x = 344,129.14 × 141,944.30
  4. Step 4: Simplify right side
    249,367.35x = 48,847,169,900.32
  5. Step 5: Solve for x
    x = 48,847,169,900.32/249,367.35
  6. Step 6: Final answer
    x = 195,884.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.