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Finding the Fourth Proportional to 170,360.72, 235,108.44 and 93,879.74

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Solution

The fourth proportional to 170,360.72, 235,108.44 and 93,879.74 is: 129,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,360.72 : 235,108.44 = 93,879.74 : x
  2. Step 2: Convert to fraction form
    170,360.72/235,108.44 = 93,879.74/x
  3. Step 3: Cross multiply
    170,360.72x = 235,108.44 × 93,879.74
  4. Step 4: Simplify right side
    170,360.72x = 22,071,919,219.01
  5. Step 5: Solve for x
    x = 22,071,919,219.01/170,360.72
  6. Step 6: Final answer
    x = 129,559.91

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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.