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Finding the Fourth Proportional to 253,641.80, 350,025.54 and 140,464.46

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Solution

The fourth proportional to 253,641.80, 350,025.54 and 140,464.46 is: 193,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,641.80 : 350,025.54 = 140,464.46 : x
  2. Step 2: Convert to fraction form
    253,641.80/350,025.54 = 140,464.46/x
  3. Step 3: Cross multiply
    253,641.80x = 350,025.54 × 140,464.46
  4. Step 4: Simplify right side
    253,641.80x = 49,166,148,462.31
  5. Step 5: Solve for x
    x = 49,166,148,462.31/253,641.80
  6. Step 6: Final answer
    x = 193,840.88

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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.