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Finding the Fourth Proportional to 134,336.56, 185,384.46 and 73,905.91

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Solution

The fourth proportional to 134,336.56, 185,384.46 and 73,905.91 is: 101,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,336.56 : 185,384.46 = 73,905.91 : x
  2. Step 2: Convert to fraction form
    134,336.56/185,384.46 = 73,905.91/x
  3. Step 3: Cross multiply
    134,336.56x = 185,384.46 × 73,905.91
  4. Step 4: Simplify right side
    134,336.56x = 13,701,007,216.16
  5. Step 5: Solve for x
    x = 13,701,007,216.16/134,336.56
  6. Step 6: Final answer
    x = 101,990.16

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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.