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Finding the Fourth Proportional to 167,999.20, 251,707.20 and 157,501.60

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Solution

The fourth proportional to 167,999.20, 251,707.20 and 157,501.60 is: 235,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,999.20 : 251,707.20 = 157,501.60 : x
  2. Step 2: Convert to fraction form
    167,999.20/251,707.20 = 157,501.60/x
  3. Step 3: Cross multiply
    167,999.20x = 251,707.20 × 157,501.60
  4. Step 4: Simplify right side
    167,999.20x = 39,644,286,731.52
  5. Step 5: Solve for x
    x = 39,644,286,731.52/167,999.20
  6. Step 6: Final answer
    x = 235,979.02

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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.