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Finding the Fourth Proportional to 249,892.88, 344,994.76 and 165,255.44

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Solution

The fourth proportional to 249,892.88, 344,994.76 and 165,255.44 is: 228,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,892.88 : 344,994.76 = 165,255.44 : x
  2. Step 2: Convert to fraction form
    249,892.88/344,994.76 = 165,255.44/x
  3. Step 3: Cross multiply
    249,892.88x = 344,994.76 × 165,255.44
  4. Step 4: Simplify right side
    249,892.88x = 57,012,260,861.49
  5. Step 5: Solve for x
    x = 57,012,260,861.49/249,892.88
  6. Step 6: Final answer
    x = 228,146.80

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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.