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Finding the Fourth Proportional to 183,243.60, 274,865.40 and 156,999.60

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Solution

The fourth proportional to 183,243.60, 274,865.40 and 156,999.60 is: 235,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,243.60 : 274,865.40 = 156,999.60 : x
  2. Step 2: Convert to fraction form
    183,243.60/274,865.40 = 156,999.60/x
  3. Step 3: Cross multiply
    183,243.60x = 274,865.40 × 156,999.60
  4. Step 4: Simplify right side
    183,243.60x = 43,153,757,853.84
  5. Step 5: Solve for x
    x = 43,153,757,853.84/183,243.60
  6. Step 6: Final answer
    x = 235,499.40

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Similar ratio
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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.