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Finding the Fourth Proportional to 295,921.17, 408,271.23 and 168,506.55

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Solution

The fourth proportional to 295,921.17, 408,271.23 and 168,506.55 is: 232,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,921.17 : 408,271.23 = 168,506.55 : x
  2. Step 2: Convert to fraction form
    295,921.17/408,271.23 = 168,506.55/x
  3. Step 3: Cross multiply
    295,921.17x = 408,271.23 × 168,506.55
  4. Step 4: Simplify right side
    295,921.17x = 68,796,376,431.56
  5. Step 5: Solve for x
    x = 68,796,376,431.56/295,921.17
  6. Step 6: Final answer
    x = 232,482.10

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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.