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Finding the Fourth Proportional to 73,907.38, 101,959.78 and 45,228.42

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Solution

The fourth proportional to 73,907.38, 101,959.78 and 45,228.42 is: 62,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,907.38 : 101,959.78 = 45,228.42 : x
  2. Step 2: Convert to fraction form
    73,907.38/101,959.78 = 45,228.42/x
  3. Step 3: Cross multiply
    73,907.38x = 101,959.78 × 45,228.42
  4. Step 4: Simplify right side
    73,907.38x = 4,611,479,752.95
  5. Step 5: Solve for x
    x = 4,611,479,752.95/73,907.38
  6. Step 6: Final answer
    x = 62,395.39

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1.5x scale

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.