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Finding the Fourth Proportional to 135,392.74, 203,047.53 and 93,541.76

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Solution

The fourth proportional to 135,392.74, 203,047.53 and 93,541.76 is: 140,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,392.74 : 203,047.53 = 93,541.76 : x
  2. Step 2: Convert to fraction form
    135,392.74/203,047.53 = 93,541.76/x
  3. Step 3: Cross multiply
    135,392.74x = 203,047.53 × 93,541.76
  4. Step 4: Simplify right side
    135,392.74x = 18,993,421,836.91
  5. Step 5: Solve for x
    x = 18,993,421,836.91/135,392.74
  6. Step 6: Final answer
    x = 140,283.91

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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.