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Finding the Fourth Proportional to 162,795.80, 244,193.70 and 99,810.20

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Solution

The fourth proportional to 162,795.80, 244,193.70 and 99,810.20 is: 149,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,795.80 : 244,193.70 = 99,810.20 : x
  2. Step 2: Convert to fraction form
    162,795.80/244,193.70 = 99,810.20/x
  3. Step 3: Cross multiply
    162,795.80x = 244,193.70 × 99,810.20
  4. Step 4: Simplify right side
    162,795.80x = 24,373,022,035.74
  5. Step 5: Solve for x
    x = 24,373,022,035.74/162,795.80
  6. Step 6: Final answer
    x = 149,715.30

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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.