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Finding the Fourth Proportional to 264,502.47, 365,012.28 and 143,642.91

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Solution

The fourth proportional to 264,502.47, 365,012.28 and 143,642.91 is: 198,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,502.47 : 365,012.28 = 143,642.91 : x
  2. Step 2: Convert to fraction form
    264,502.47/365,012.28 = 143,642.91/x
  3. Step 3: Cross multiply
    264,502.47x = 365,012.28 × 143,642.91
  4. Step 4: Simplify right side
    264,502.47x = 52,431,426,084.93
  5. Step 5: Solve for x
    x = 52,431,426,084.93/264,502.47
  6. Step 6: Final answer
    x = 198,226.60

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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.