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Finding the Fourth Proportional to 255,758.43, 352,938.54 and 141,041.91

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Solution

The fourth proportional to 255,758.43, 352,938.54 and 141,041.91 is: 194,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,758.43 : 352,938.54 = 141,041.91 : x
  2. Step 2: Convert to fraction form
    255,758.43/352,938.54 = 141,041.91/x
  3. Step 3: Cross multiply
    255,758.43x = 352,938.54 × 141,041.91
  4. Step 4: Simplify right side
    255,758.43x = 49,779,125,794.21
  5. Step 5: Solve for x
    x = 49,779,125,794.21/255,758.43
  6. Step 6: Final answer
    x = 194,633.37

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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.