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Finding the Fourth Proportional to 110,551.11, 152,405.96 and 93,486.81

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Solution

The fourth proportional to 110,551.11, 152,405.96 and 93,486.81 is: 128,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.11 : 152,405.96 = 93,486.81 : x
  2. Step 2: Convert to fraction form
    110,551.11/152,405.96 = 93,486.81/x
  3. Step 3: Cross multiply
    110,551.11x = 152,405.96 × 93,486.81
  4. Step 4: Simplify right side
    110,551.11x = 14,247,947,025.39
  5. Step 5: Solve for x
    x = 14,247,947,025.39/110,551.11
  6. Step 6: Final answer
    x = 128,881.09

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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.