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Finding the Fourth Proportional to 73,201.34, 101,020.28 and 40,496.21

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Solution

The fourth proportional to 73,201.34, 101,020.28 and 40,496.21 is: 55,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201.34 : 101,020.28 = 40,496.21 : x
  2. Step 2: Convert to fraction form
    73,201.34/101,020.28 = 40,496.21/x
  3. Step 3: Cross multiply
    73,201.34x = 101,020.28 × 40,496.21
  4. Step 4: Simplify right side
    73,201.34x = 4,090,938,473.14
  5. Step 5: Solve for x
    x = 4,090,938,473.14/73,201.34
  6. Step 6: Final answer
    x = 55,886.11

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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.