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Finding the Fourth Proportional to 252,703.02, 348,651.15 and 145,233.66

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Solution

The fourth proportional to 252,703.02, 348,651.15 and 145,233.66 is: 200,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,703.02 : 348,651.15 = 145,233.66 : x
  2. Step 2: Convert to fraction form
    252,703.02/348,651.15 = 145,233.66/x
  3. Step 3: Cross multiply
    252,703.02x = 348,651.15 × 145,233.66
  4. Step 4: Simplify right side
    252,703.02x = 50,635,882,577.71
  5. Step 5: Solve for x
    x = 50,635,882,577.71/252,703.02
  6. Step 6: Final answer
    x = 200,377.04

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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.