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Finding the Fourth Proportional to 97,124, 134,032.08 and 54,680.48

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Solution

The fourth proportional to 97,124, 134,032.08 and 54,680.48 is: 75,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,124 : 134,032.08 = 54,680.48 : x
  2. Step 2: Convert to fraction form
    97,124/134,032.08 = 54,680.48/x
  3. Step 3: Cross multiply
    97,124x = 134,032.08 × 54,680.48
  4. Step 4: Simplify right side
    97,124x = 7,328,938,469.80
  5. Step 5: Solve for x
    x = 7,328,938,469.80/97,124
  6. Step 6: Final answer
    x = 75,459.60

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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.