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Finding the Fourth Proportional to 183,684.60, 275,235.30 and 121,282.20

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Solution

The fourth proportional to 183,684.60, 275,235.30 and 121,282.20 is: 181,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,684.60 : 275,235.30 = 121,282.20 : x
  2. Step 2: Convert to fraction form
    183,684.60/275,235.30 = 121,282.20/x
  3. Step 3: Cross multiply
    183,684.60x = 275,235.30 × 121,282.20
  4. Step 4: Simplify right side
    183,684.60x = 33,381,142,701.66
  5. Step 5: Solve for x
    x = 33,381,142,701.66/183,684.60
  6. Step 6: Final answer
    x = 181,730.76

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1.5x scale

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.