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Finding the Fourth Proportional to 73,603.12, 101,574.76 and 41,343.42

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Solution

The fourth proportional to 73,603.12, 101,574.76 and 41,343.42 is: 57,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,603.12 : 101,574.76 = 41,343.42 : x
  2. Step 2: Convert to fraction form
    73,603.12/101,574.76 = 41,343.42/x
  3. Step 3: Cross multiply
    73,603.12x = 101,574.76 × 41,343.42
  4. Step 4: Simplify right side
    73,603.12x = 4,199,447,964.08
  5. Step 5: Solve for x
    x = 4,199,447,964.08/73,603.12
  6. Step 6: Final answer
    x = 57,055.30

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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.