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Finding the Fourth Proportional to 183,847.60, 275,479.80 and 121,445.20

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Solution

The fourth proportional to 183,847.60, 275,479.80 and 121,445.20 is: 181,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,847.60 : 275,479.80 = 121,445.20 : x
  2. Step 2: Convert to fraction form
    183,847.60/275,479.80 = 121,445.20/x
  3. Step 3: Cross multiply
    183,847.60x = 275,479.80 × 121,445.20
  4. Step 4: Simplify right side
    183,847.60x = 33,455,699,406.96
  5. Step 5: Solve for x
    x = 33,455,699,406.96/183,847.60
  6. Step 6: Final answer
    x = 181,975.18

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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.