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Finding the Fourth Proportional to 73,437, 101,343.06 and 43,629

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Solution

The fourth proportional to 73,437, 101,343.06 and 43,629 is: 60,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,437 : 101,343.06 = 43,629 : x
  2. Step 2: Convert to fraction form
    73,437/101,343.06 = 43,629/x
  3. Step 3: Cross multiply
    73,437x = 101,343.06 × 43,629
  4. Step 4: Simplify right side
    73,437x = 4,421,496,364.74
  5. Step 5: Solve for x
    x = 4,421,496,364.74/73,437
  6. Step 6: Final answer
    x = 60,208.02

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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.