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Finding the Fourth Proportional to 255,613.12, 352,747.51 and 148,246.81

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Solution

The fourth proportional to 255,613.12, 352,747.51 and 148,246.81 is: 204,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,613.12 : 352,747.51 = 148,246.81 : x
  2. Step 2: Convert to fraction form
    255,613.12/352,747.51 = 148,246.81/x
  3. Step 3: Cross multiply
    255,613.12x = 352,747.51 × 148,246.81
  4. Step 4: Simplify right side
    255,613.12x = 52,293,693,092.94
  5. Step 5: Solve for x
    x = 52,293,693,092.94/255,613.12
  6. Step 6: Final answer
    x = 204,581.41

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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.