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Finding the Fourth Proportional to 73,230.92, 101,059.06 and 42,622.16

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Solution

The fourth proportional to 73,230.92, 101,059.06 and 42,622.16 is: 58,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,230.92 : 101,059.06 = 42,622.16 : x
  2. Step 2: Convert to fraction form
    73,230.92/101,059.06 = 42,622.16/x
  3. Step 3: Cross multiply
    73,230.92x = 101,059.06 × 42,622.16
  4. Step 4: Simplify right side
    73,230.92x = 4,307,354,892.84
  5. Step 5: Solve for x
    x = 4,307,354,892.84/73,230.92
  6. Step 6: Final answer
    x = 58,818.80

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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.