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Finding the Fourth Proportional to 264,349.72, 364,792.71 and 143,488.41

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Solution

The fourth proportional to 264,349.72, 364,792.71 and 143,488.41 is: 198,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,349.72 : 364,792.71 = 143,488.41 : x
  2. Step 2: Convert to fraction form
    264,349.72/364,792.71 = 143,488.41/x
  3. Step 3: Cross multiply
    264,349.72x = 364,792.71 × 143,488.41
  4. Step 4: Simplify right side
    264,349.72x = 52,343,525,937.49
  5. Step 5: Solve for x
    x = 52,343,525,937.49/264,349.72
  6. Step 6: Final answer
    x = 198,008.63

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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.