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Finding the Fourth Proportional to 110,716.70, 152,788.95 and 60,415.70

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Solution

The fourth proportional to 110,716.70, 152,788.95 and 60,415.70 is: 83,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716.70 : 152,788.95 = 60,415.70 : x
  2. Step 2: Convert to fraction form
    110,716.70/152,788.95 = 60,415.70/x
  3. Step 3: Cross multiply
    110,716.70x = 152,788.95 × 60,415.70
  4. Step 4: Simplify right side
    110,716.70x = 9,230,850,602.57
  5. Step 5: Solve for x
    x = 9,230,850,602.57/110,716.70
  6. Step 6: Final answer
    x = 83,373.61

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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.