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Finding the Fourth Proportional to 162,907.26, 224,812.01 and 99,245.01

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Solution

The fourth proportional to 162,907.26, 224,812.01 and 99,245.01 is: 136,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,907.26 : 224,812.01 = 99,245.01 : x
  2. Step 2: Convert to fraction form
    162,907.26/224,812.01 = 99,245.01/x
  3. Step 3: Cross multiply
    162,907.26x = 224,812.01 × 99,245.01
  4. Step 4: Simplify right side
    162,907.26x = 22,311,468,560.29
  5. Step 5: Solve for x
    x = 22,311,468,560.29/162,907.26
  6. Step 6: Final answer
    x = 136,958.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.