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Finding the Fourth Proportional to 291,935.49, 402,873.88 and 162,872.88

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Solution

The fourth proportional to 291,935.49, 402,873.88 and 162,872.88 is: 224,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935.49 : 402,873.88 = 162,872.88 : x
  2. Step 2: Convert to fraction form
    291,935.49/402,873.88 = 162,872.88/x
  3. Step 3: Cross multiply
    291,935.49x = 402,873.88 × 162,872.88
  4. Step 4: Simplify right side
    291,935.49x = 65,617,227,041.72
  5. Step 5: Solve for x
    x = 65,617,227,041.72/291,935.49
  6. Step 6: Final answer
    x = 224,766.19

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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.