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Finding the Fourth Proportional to 252,385.97, 348,292.90 and 144,976.79

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Solution

The fourth proportional to 252,385.97, 348,292.90 and 144,976.79 is: 200,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,385.97 : 348,292.90 = 144,976.79 : x
  2. Step 2: Convert to fraction form
    252,385.97/348,292.90 = 144,976.79/x
  3. Step 3: Cross multiply
    252,385.97x = 348,292.90 × 144,976.79
  4. Step 4: Simplify right side
    252,385.97x = 50,494,385,242.77
  5. Step 5: Solve for x
    x = 50,494,385,242.77/252,385.97
  6. Step 6: Final answer
    x = 200,068.11

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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.