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Finding the Fourth Proportional to 110,340, 152,271.63 and 60,039

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Solution

The fourth proportional to 110,340, 152,271.63 and 60,039 is: 82,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,340 : 152,271.63 = 60,039 : x
  2. Step 2: Convert to fraction form
    110,340/152,271.63 = 60,039/x
  3. Step 3: Cross multiply
    110,340x = 152,271.63 × 60,039
  4. Step 4: Simplify right side
    110,340x = 9,142,236,393.57
  5. Step 5: Solve for x
    x = 9,142,236,393.57/110,340
  6. Step 6: Final answer
    x = 82,855.14

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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.