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Finding the Fourth Proportional to 167,776.40, 251,664.60 and 160,000.40

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Solution

The fourth proportional to 167,776.40, 251,664.60 and 160,000.40 is: 240,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,776.40 : 251,664.60 = 160,000.40 : x
  2. Step 2: Convert to fraction form
    167,776.40/251,664.60 = 160,000.40/x
  3. Step 3: Cross multiply
    167,776.40x = 251,664.60 × 160,000.40
  4. Step 4: Simplify right side
    167,776.40x = 40,266,436,665.84
  5. Step 5: Solve for x
    x = 40,266,436,665.84/167,776.40
  6. Step 6: Final answer
    x = 240,000.60

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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.