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Finding the Fourth Proportional to 73,576.76, 101,534.01 and 42,955.72

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Solution

The fourth proportional to 73,576.76, 101,534.01 and 42,955.72 is: 59,277.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,576.76 : 101,534.01 = 42,955.72 : x
  2. Step 2: Convert to fraction form
    73,576.76/101,534.01 = 42,955.72/x
  3. Step 3: Cross multiply
    73,576.76x = 101,534.01 × 42,955.72
  4. Step 4: Simplify right side
    73,576.76x = 4,361,466,504.04
  5. Step 5: Solve for x
    x = 4,361,466,504.04/73,576.76
  6. Step 6: Final answer
    x = 59,277.77

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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.