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Finding the Fourth Proportional to 110,172.72, 152,025.99 and 62,415.84

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Solution

The fourth proportional to 110,172.72, 152,025.99 and 62,415.84 is: 86,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,172.72 : 152,025.99 = 62,415.84 : x
  2. Step 2: Convert to fraction form
    110,172.72/152,025.99 = 62,415.84/x
  3. Step 3: Cross multiply
    110,172.72x = 152,025.99 × 62,415.84
  4. Step 4: Simplify right side
    110,172.72x = 9,488,829,867.68
  5. Step 5: Solve for x
    x = 9,488,829,867.68/110,172.72
  6. Step 6: Final answer
    x = 86,126.85

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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.