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Finding the Fourth Proportional to 262,613.16, 362,369.70 and 147,872.52

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Solution

The fourth proportional to 262,613.16, 362,369.70 and 147,872.52 is: 204,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,613.16 : 362,369.70 = 147,872.52 : x
  2. Step 2: Convert to fraction form
    262,613.16/362,369.70 = 147,872.52/x
  3. Step 3: Cross multiply
    262,613.16x = 362,369.70 × 147,872.52
  4. Step 4: Simplify right side
    262,613.16x = 53,584,520,710.64
  5. Step 5: Solve for x
    x = 53,584,520,710.64/262,613.16
  6. Step 6: Final answer
    x = 204,043.55

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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.