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Finding the Fourth Proportional to 73,569.30, 101,528.96 and 43,355.90

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Solution

The fourth proportional to 73,569.30, 101,528.96 and 43,355.90 is: 59,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,569.30 : 101,528.96 = 43,355.90 : x
  2. Step 2: Convert to fraction form
    73,569.30/101,528.96 = 43,355.90/x
  3. Step 3: Cross multiply
    73,569.30x = 101,528.96 × 43,355.90
  4. Step 4: Simplify right side
    73,569.30x = 4,401,878,712.44
  5. Step 5: Solve for x
    x = 4,401,878,712.44/73,569.30
  6. Step 6: Final answer
    x = 59,833.09

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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.