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Finding the Fourth Proportional to 73,428.35, 101,335.14 and 41,603.45

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Solution

The fourth proportional to 73,428.35, 101,335.14 and 41,603.45 is: 57,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,428.35 : 101,335.14 = 41,603.45 : x
  2. Step 2: Convert to fraction form
    73,428.35/101,335.14 = 41,603.45/x
  3. Step 3: Cross multiply
    73,428.35x = 101,335.14 × 41,603.45
  4. Step 4: Simplify right side
    73,428.35x = 4,215,890,923.56
  5. Step 5: Solve for x
    x = 4,215,890,923.56/73,428.35
  6. Step 6: Final answer
    x = 57,415.03

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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.