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Finding the Fourth Proportional to 110,590.98, 152,494.92 and 74,718.66

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Solution

The fourth proportional to 110,590.98, 152,494.92 and 74,718.66 is: 103,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,590.98 : 152,494.92 = 74,718.66 : x
  2. Step 2: Convert to fraction form
    110,590.98/152,494.92 = 74,718.66/x
  3. Step 3: Cross multiply
    110,590.98x = 152,494.92 × 74,718.66
  4. Step 4: Simplify right side
    110,590.98x = 11,394,216,079.21
  5. Step 5: Solve for x
    x = 11,394,216,079.21/110,590.98
  6. Step 6: Final answer
    x = 103,030.25

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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.