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Finding the Fourth Proportional to 252,798.98, 348,877.53 and 145,380.83

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Solution

The fourth proportional to 252,798.98, 348,877.53 and 145,380.83 is: 200,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,798.98 : 348,877.53 = 145,380.83 : x
  2. Step 2: Convert to fraction form
    252,798.98/348,877.53 = 145,380.83/x
  3. Step 3: Cross multiply
    252,798.98x = 348,877.53 × 145,380.83
  4. Step 4: Simplify right side
    252,798.98x = 50,720,103,135.36
  5. Step 5: Solve for x
    x = 50,720,103,135.36/252,798.98
  6. Step 6: Final answer
    x = 200,634.13

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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.