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Finding the Fourth Proportional to 255,581.04, 352,703.28 and 148,214.82

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Solution

The fourth proportional to 255,581.04, 352,703.28 and 148,214.82 is: 204,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,581.04 : 352,703.28 = 148,214.82 : x
  2. Step 2: Convert to fraction form
    255,581.04/352,703.28 = 148,214.82/x
  3. Step 3: Cross multiply
    255,581.04x = 352,703.28 × 148,214.82
  4. Step 4: Simplify right side
    255,581.04x = 52,275,853,158.61
  5. Step 5: Solve for x
    x = 52,275,853,158.61/255,581.04
  6. Step 6: Final answer
    x = 204,537.29

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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.