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Finding the Fourth Proportional to 118,392.25, 177,477.65 and 43,492.28

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Solution

The fourth proportional to 118,392.25, 177,477.65 and 43,492.28 is: 65,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,392.25 : 177,477.65 = 43,492.28 : x
  2. Step 2: Convert to fraction form
    118,392.25/177,477.65 = 43,492.28/x
  3. Step 3: Cross multiply
    118,392.25x = 177,477.65 × 43,492.28
  4. Step 4: Simplify right side
    118,392.25x = 7,718,906,705.79
  5. Step 5: Solve for x
    x = 7,718,906,705.79/118,392.25
  6. Step 6: Final answer
    x = 65,197.74

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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.