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Finding the Fourth Proportional to 134,346.16, 201,474.06 and 67,743.76

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Solution

The fourth proportional to 134,346.16, 201,474.06 and 67,743.76 is: 101,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,346.16 : 201,474.06 = 67,743.76 : x
  2. Step 2: Convert to fraction form
    134,346.16/201,474.06 = 67,743.76/x
  3. Step 3: Cross multiply
    134,346.16x = 201,474.06 × 67,743.76
  4. Step 4: Simplify right side
    134,346.16x = 13,648,610,366.87
  5. Step 5: Solve for x
    x = 13,648,610,366.87/134,346.16
  6. Step 6: Final answer
    x = 101,592.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.