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Finding the Fourth Proportional to 183,853.60, 275,488.80 and 121,451.20

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Solution

The fourth proportional to 183,853.60, 275,488.80 and 121,451.20 is: 181,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,853.60 : 275,488.80 = 121,451.20 : x
  2. Step 2: Convert to fraction form
    183,853.60/275,488.80 = 121,451.20/x
  3. Step 3: Cross multiply
    183,853.60x = 275,488.80 × 121,451.20
  4. Step 4: Simplify right side
    183,853.60x = 33,458,445,346.56
  5. Step 5: Solve for x
    x = 33,458,445,346.56/183,853.60
  6. Step 6: Final answer
    x = 181,984.17

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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.