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Finding the Fourth Proportional to 73,805.44, 101,848.80 and 40,270.72

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Solution

The fourth proportional to 73,805.44, 101,848.80 and 40,270.72 is: 55,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,805.44 : 101,848.80 = 40,270.72 : x
  2. Step 2: Convert to fraction form
    73,805.44/101,848.80 = 40,270.72/x
  3. Step 3: Cross multiply
    73,805.44x = 101,848.80 × 40,270.72
  4. Step 4: Simplify right side
    73,805.44x = 4,101,524,507.14
  5. Step 5: Solve for x
    x = 4,101,524,507.14/73,805.44
  6. Step 6: Final answer
    x = 55,572.12

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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.