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Finding the Fourth Proportional to 264,807.08, 365,440.74 and 143,956.52

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Solution

The fourth proportional to 264,807.08, 365,440.74 and 143,956.52 is: 198,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,807.08 : 365,440.74 = 143,956.52 : x
  2. Step 2: Convert to fraction form
    264,807.08/365,440.74 = 143,956.52/x
  3. Step 3: Cross multiply
    264,807.08x = 365,440.74 × 143,956.52
  4. Step 4: Simplify right side
    264,807.08x = 52,607,577,196.62
  5. Step 5: Solve for x
    x = 52,607,577,196.62/264,807.08
  6. Step 6: Final answer
    x = 198,663.79

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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.