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Finding the Fourth Proportional to 121,188.19, 181,819.41 and 62,065.39

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Solution

The fourth proportional to 121,188.19, 181,819.41 and 62,065.39 is: 93,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,188.19 : 181,819.41 = 62,065.39 : x
  2. Step 2: Convert to fraction form
    121,188.19/181,819.41 = 62,065.39/x
  3. Step 3: Cross multiply
    121,188.19x = 181,819.41 × 62,065.39
  4. Step 4: Simplify right side
    121,188.19x = 11,284,692,591.22
  5. Step 5: Solve for x
    x = 11,284,692,591.22/121,188.19
  6. Step 6: Final answer
    x = 93,117.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.