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Finding the Fourth Proportional to 255,479.70, 352,562.08 and 148,111.98

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Solution

The fourth proportional to 255,479.70, 352,562.08 and 148,111.98 is: 204,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,479.70 : 352,562.08 = 148,111.98 : x
  2. Step 2: Convert to fraction form
    255,479.70/352,562.08 = 148,111.98/x
  3. Step 3: Cross multiply
    255,479.70x = 352,562.08 × 148,111.98
  4. Step 4: Simplify right side
    255,479.70x = 52,218,667,741.72
  5. Step 5: Solve for x
    x = 52,218,667,741.72/255,479.70
  6. Step 6: Final answer
    x = 204,394.59

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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.