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Finding the Fourth Proportional to 148,417.76, 204,745.20 and 97,410.08

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Solution

The fourth proportional to 148,417.76, 204,745.20 and 97,410.08 is: 134,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,417.76 : 204,745.20 = 97,410.08 : x
  2. Step 2: Convert to fraction form
    148,417.76/204,745.20 = 97,410.08/x
  3. Step 3: Cross multiply
    148,417.76x = 204,745.20 × 97,410.08
  4. Step 4: Simplify right side
    148,417.76x = 19,944,246,311.62
  5. Step 5: Solve for x
    x = 19,944,246,311.62/148,417.76
  6. Step 6: Final answer
    x = 134,379.11

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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.