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Finding the Fourth Proportional to 73,506.28, 101,440.74 and 43,293.64

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Solution

The fourth proportional to 73,506.28, 101,440.74 and 43,293.64 is: 59,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,506.28 : 101,440.74 = 43,293.64 : x
  2. Step 2: Convert to fraction form
    73,506.28/101,440.74 = 43,293.64/x
  3. Step 3: Cross multiply
    73,506.28x = 101,440.74 × 43,293.64
  4. Step 4: Simplify right side
    73,506.28x = 4,391,738,878.89
  5. Step 5: Solve for x
    x = 4,391,738,878.89/73,506.28
  6. Step 6: Final answer
    x = 59,746.44

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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.