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Finding the Fourth Proportional to 110,808.75, 152,862.71 and 72,551.44

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Solution

The fourth proportional to 110,808.75, 152,862.71 and 72,551.44 is: 100,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,808.75 : 152,862.71 = 72,551.44 : x
  2. Step 2: Convert to fraction form
    110,808.75/152,862.71 = 72,551.44/x
  3. Step 3: Cross multiply
    110,808.75x = 152,862.71 × 72,551.44
  4. Step 4: Simplify right side
    110,808.75x = 11,090,408,968.49
  5. Step 5: Solve for x
    x = 11,090,408,968.49/110,808.75
  6. Step 6: Final answer
    x = 100,086.04

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1.5x scale

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.