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Finding the Fourth Proportional to 423,696.96, 635,545.24 and 108,153.77

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Solution

The fourth proportional to 423,696.96, 635,545.24 and 108,153.77 is: 162,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,696.96 : 635,545.24 = 108,153.77 : x
  2. Step 2: Convert to fraction form
    423,696.96/635,545.24 = 108,153.77/x
  3. Step 3: Cross multiply
    423,696.96x = 635,545.24 × 108,153.77
  4. Step 4: Simplify right side
    423,696.96x = 68,736,610,263.44
  5. Step 5: Solve for x
    x = 68,736,610,263.44/423,696.96
  6. Step 6: Final answer
    x = 162,230.60

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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.