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Finding the Fourth Proportional to 173,078.48, 259,619.80 and 60,761.52

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Solution

The fourth proportional to 173,078.48, 259,619.80 and 60,761.52 is: 91,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,078.48 : 259,619.80 = 60,761.52 : x
  2. Step 2: Convert to fraction form
    173,078.48/259,619.80 = 60,761.52/x
  3. Step 3: Cross multiply
    173,078.48x = 259,619.80 × 60,761.52
  4. Step 4: Simplify right side
    173,078.48x = 15,774,893,670.10
  5. Step 5: Solve for x
    x = 15,774,893,670.10/173,078.48
  6. Step 6: Final answer
    x = 91,143.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.