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Finding the Fourth Proportional to 119,936.16, 179,903.16 and 93,661.92

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Solution

The fourth proportional to 119,936.16, 179,903.16 and 93,661.92 is: 140,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,936.16 : 179,903.16 = 93,661.92 : x
  2. Step 2: Convert to fraction form
    119,936.16/179,903.16 = 93,661.92/x
  3. Step 3: Cross multiply
    119,936.16x = 179,903.16 × 93,661.92
  4. Step 4: Simplify right side
    119,936.16x = 16,850,075,379.67
  5. Step 5: Solve for x
    x = 16,850,075,379.67/119,936.16
  6. Step 6: Final answer
    x = 140,492.04

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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.