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Finding the Fourth Proportional to 162,807.80, 244,211.70 and 74,234.30

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Solution

The fourth proportional to 162,807.80, 244,211.70 and 74,234.30 is: 111,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,807.80 : 244,211.70 = 74,234.30 : x
  2. Step 2: Convert to fraction form
    162,807.80/244,211.70 = 74,234.30/x
  3. Step 3: Cross multiply
    162,807.80x = 244,211.70 × 74,234.30
  4. Step 4: Simplify right side
    162,807.80x = 18,128,884,601.31
  5. Step 5: Solve for x
    x = 18,128,884,601.31/162,807.80
  6. Step 6: Final answer
    x = 111,351.45

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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.