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Finding the Fourth Proportional to 96,808.61, 133,594.20 and 53,788.50

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Solution

The fourth proportional to 96,808.61, 133,594.20 and 53,788.50 is: 74,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,808.61 : 133,594.20 = 53,788.50 : x
  2. Step 2: Convert to fraction form
    96,808.61/133,594.20 = 53,788.50/x
  3. Step 3: Cross multiply
    96,808.61x = 133,594.20 × 53,788.50
  4. Step 4: Simplify right side
    96,808.61x = 7,185,831,626.70
  5. Step 5: Solve for x
    x = 7,185,831,626.70/96,808.61
  6. Step 6: Final answer
    x = 74,227.19

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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.