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Finding the Fourth Proportional to 98,099.01, 135,374.09 and 57,270.96

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Solution

The fourth proportional to 98,099.01, 135,374.09 and 57,270.96 is: 79,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,099.01 : 135,374.09 = 57,270.96 : x
  2. Step 2: Convert to fraction form
    98,099.01/135,374.09 = 57,270.96/x
  3. Step 3: Cross multiply
    98,099.01x = 135,374.09 × 57,270.96
  4. Step 4: Simplify right side
    98,099.01x = 7,753,003,807.07
  5. Step 5: Solve for x
    x = 7,753,003,807.07/98,099.01
  6. Step 6: Final answer
    x = 79,032.44

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1.5x scale

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.