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Finding the Fourth Proportional to 110,188.98, 152,064 and 62,440.74

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Solution

The fourth proportional to 110,188.98, 152,064 and 62,440.74 is: 86,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,188.98 : 152,064 = 62,440.74 : x
  2. Step 2: Convert to fraction form
    110,188.98/152,064 = 62,440.74/x
  3. Step 3: Cross multiply
    110,188.98x = 152,064 × 62,440.74
  4. Step 4: Simplify right side
    110,188.98x = 9,494,988,687.36
  5. Step 5: Solve for x
    x = 9,494,988,687.36/110,188.98
  6. Step 6: Final answer
    x = 86,170.04

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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.