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Finding the Fourth Proportional to 110,409, 152,364.45 and 60,108

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Solution

The fourth proportional to 110,409, 152,364.45 and 60,108 is: 82,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,409 : 152,364.45 = 60,108 : x
  2. Step 2: Convert to fraction form
    110,409/152,364.45 = 60,108/x
  3. Step 3: Cross multiply
    110,409x = 152,364.45 × 60,108
  4. Step 4: Simplify right side
    110,409x = 9,158,322,360.60
  5. Step 5: Solve for x
    x = 9,158,322,360.60/110,409
  6. Step 6: Final answer
    x = 82,949.06

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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.