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Finding the Fourth Proportional to 95,055.78, 131,209.76 and 54,785.58

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Solution

The fourth proportional to 95,055.78, 131,209.76 and 54,785.58 is: 75,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,055.78 : 131,209.76 = 54,785.58 : x
  2. Step 2: Convert to fraction form
    95,055.78/131,209.76 = 54,785.58/x
  3. Step 3: Cross multiply
    95,055.78x = 131,209.76 × 54,785.58
  4. Step 4: Simplify right side
    95,055.78x = 7,188,402,803.26
  5. Step 5: Solve for x
    x = 7,188,402,803.26/95,055.78
  6. Step 6: Final answer
    x = 75,623.00

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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.