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Finding the Fourth Proportional to 255,613.74, 352,746.27 and 148,246.08

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Solution

The fourth proportional to 255,613.74, 352,746.27 and 148,246.08 is: 204,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,613.74 : 352,746.27 = 148,246.08 : x
  2. Step 2: Convert to fraction form
    255,613.74/352,746.27 = 148,246.08/x
  3. Step 3: Cross multiply
    255,613.74x = 352,746.27 × 148,246.08
  4. Step 4: Simplify right side
    255,613.74x = 52,293,251,762.12
  5. Step 5: Solve for x
    x = 52,293,251,762.12/255,613.74
  6. Step 6: Final answer
    x = 204,579.19

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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.