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Finding the Fourth Proportional to 162,803.04, 244,000.44 and 87,920.16

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Solution

The fourth proportional to 162,803.04, 244,000.44 and 87,920.16 is: 131,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,803.04 : 244,000.44 = 87,920.16 : x
  2. Step 2: Convert to fraction form
    162,803.04/244,000.44 = 87,920.16/x
  3. Step 3: Cross multiply
    162,803.04x = 244,000.44 × 87,920.16
  4. Step 4: Simplify right side
    162,803.04x = 21,452,557,724.87
  5. Step 5: Solve for x
    x = 21,452,557,724.87/162,803.04
  6. Step 6: Final answer
    x = 131,770.01

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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.