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Finding the Fourth Proportional to 255,767.90, 352,955.04 and 141,057.14

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Solution

The fourth proportional to 255,767.90, 352,955.04 and 141,057.14 is: 194,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,767.90 : 352,955.04 = 141,057.14 : x
  2. Step 2: Convert to fraction form
    255,767.90/352,955.04 = 141,057.14/x
  3. Step 3: Cross multiply
    255,767.90x = 352,955.04 × 141,057.14
  4. Step 4: Simplify right side
    255,767.90x = 49,786,828,182.62
  5. Step 5: Solve for x
    x = 49,786,828,182.62/255,767.90
  6. Step 6: Final answer
    x = 194,656.28

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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.