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Finding the Fourth Proportional to 118,225.62, 163,149.93 and 67,924.62

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Solution

The fourth proportional to 118,225.62, 163,149.93 and 67,924.62 is: 93,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,225.62 : 163,149.93 = 67,924.62 : x
  2. Step 2: Convert to fraction form
    118,225.62/163,149.93 = 67,924.62/x
  3. Step 3: Cross multiply
    118,225.62x = 163,149.93 × 67,924.62
  4. Step 4: Simplify right side
    118,225.62x = 11,081,896,998.28
  5. Step 5: Solve for x
    x = 11,081,896,998.28/118,225.62
  6. Step 6: Final answer
    x = 93,735.16

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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.