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Finding the Fourth Proportional to 73,837, 101,897.22 and 40,305.16

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Solution

The fourth proportional to 73,837, 101,897.22 and 40,305.16 is: 55,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,837 : 101,897.22 = 40,305.16 : x
  2. Step 2: Convert to fraction form
    73,837/101,897.22 = 40,305.16/x
  3. Step 3: Cross multiply
    73,837x = 101,897.22 × 40,305.16
  4. Step 4: Simplify right side
    73,837x = 4,106,983,755.66
  5. Step 5: Solve for x
    x = 4,106,983,755.66/73,837
  6. Step 6: Final answer
    x = 55,622.30

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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.