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Finding the Fourth Proportional to 250,473.74, 345,667.90 and 148,559.54

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Solution

The fourth proportional to 250,473.74, 345,667.90 and 148,559.54 is: 205,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,473.74 : 345,667.90 = 148,559.54 : x
  2. Step 2: Convert to fraction form
    250,473.74/345,667.90 = 148,559.54/x
  3. Step 3: Cross multiply
    250,473.74x = 345,667.90 × 148,559.54
  4. Step 4: Simplify right side
    250,473.74x = 51,352,264,216.77
  5. Step 5: Solve for x
    x = 51,352,264,216.77/250,473.74
  6. Step 6: Final answer
    x = 205,020.55

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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.