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Finding the Fourth Proportional to 183,690.16, 275,272.12 and 104,641.16

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Solution

The fourth proportional to 183,690.16, 275,272.12 and 104,641.16 is: 156,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,690.16 : 275,272.12 = 104,641.16 : x
  2. Step 2: Convert to fraction form
    183,690.16/275,272.12 = 104,641.16/x
  3. Step 3: Cross multiply
    183,690.16x = 275,272.12 × 104,641.16
  4. Step 4: Simplify right side
    183,690.16x = 28,804,793,952.46
  5. Step 5: Solve for x
    x = 28,804,793,952.46/183,690.16
  6. Step 6: Final answer
    x = 156,811.85

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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.