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Finding the Fourth Proportional to 98,260, 135,599.76 and 53,548.96

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Solution

The fourth proportional to 98,260, 135,599.76 and 53,548.96 is: 73,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260 : 135,599.76 = 53,548.96 : x
  2. Step 2: Convert to fraction form
    98,260/135,599.76 = 53,548.96/x
  3. Step 3: Cross multiply
    98,260x = 135,599.76 × 53,548.96
  4. Step 4: Simplify right side
    98,260x = 7,261,226,124.25
  5. Step 5: Solve for x
    x = 7,261,226,124.25/98,260
  6. Step 6: Final answer
    x = 73,898.09

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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.