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Finding the Fourth Proportional to 295,721.94, 408,095.84 and 168,397.58

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Solution

The fourth proportional to 295,721.94, 408,095.84 and 168,397.58 is: 232,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,721.94 : 408,095.84 = 168,397.58 : x
  2. Step 2: Convert to fraction form
    295,721.94/408,095.84 = 168,397.58/x
  3. Step 3: Cross multiply
    295,721.94x = 408,095.84 × 168,397.58
  4. Step 4: Simplify right side
    295,721.94x = 68,722,348,981.60
  5. Step 5: Solve for x
    x = 68,722,348,981.60/295,721.94
  6. Step 6: Final answer
    x = 232,388.40

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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.