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Finding the Fourth Proportional to 101,065.45, 151,616.40 and 41,907.10

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Solution

The fourth proportional to 101,065.45, 151,616.40 and 41,907.10 is: 62,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065.45 : 151,616.40 = 41,907.10 : x
  2. Step 2: Convert to fraction form
    101,065.45/151,616.40 = 41,907.10/x
  3. Step 3: Cross multiply
    101,065.45x = 151,616.40 × 41,907.10
  4. Step 4: Simplify right side
    101,065.45x = 6,353,803,636.44
  5. Step 5: Solve for x
    x = 6,353,803,636.44/101,065.45
  6. Step 6: Final answer
    x = 62,868.21

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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.