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Finding the Fourth Proportional to 99,168.74, 148,626.74 and 46,462.04

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Solution

The fourth proportional to 99,168.74, 148,626.74 and 46,462.04 is: 69,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168.74 : 148,626.74 = 46,462.04 : x
  2. Step 2: Convert to fraction form
    99,168.74/148,626.74 = 46,462.04/x
  3. Step 3: Cross multiply
    99,168.74x = 148,626.74 × 46,462.04
  4. Step 4: Simplify right side
    99,168.74x = 6,905,501,538.95
  5. Step 5: Solve for x
    x = 6,905,501,538.95/99,168.74
  6. Step 6: Final answer
    x = 69,633.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.