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Finding the Fourth Proportional to 167,490.40, 251,235.60 and 165,740.80

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Solution

The fourth proportional to 167,490.40, 251,235.60 and 165,740.80 is: 248,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,490.40 : 251,235.60 = 165,740.80 : x
  2. Step 2: Convert to fraction form
    167,490.40/251,235.60 = 165,740.80/x
  3. Step 3: Cross multiply
    167,490.40x = 251,235.60 × 165,740.80
  4. Step 4: Simplify right side
    167,490.40x = 41,639,989,332.48
  5. Step 5: Solve for x
    x = 41,639,989,332.48/167,490.40
  6. Step 6: Final answer
    x = 248,611.20

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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.