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Finding the Fourth Proportional to 73,907.46, 101,953.92 and 47,003.28

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Solution

The fourth proportional to 73,907.46, 101,953.92 and 47,003.28 is: 64,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,907.46 : 101,953.92 = 47,003.28 : x
  2. Step 2: Convert to fraction form
    73,907.46/101,953.92 = 47,003.28/x
  3. Step 3: Cross multiply
    73,907.46x = 101,953.92 × 47,003.28
  4. Step 4: Simplify right side
    73,907.46x = 4,792,168,648.86
  5. Step 5: Solve for x
    x = 4,792,168,648.86/73,907.46
  6. Step 6: Final answer
    x = 64,840.12

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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.