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Finding the Fourth Proportional to 316,772.00, 437,156.24 and 173,532

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Solution

The fourth proportional to 316,772.00, 437,156.24 and 173,532 is: 239,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,772.00 : 437,156.24 = 173,532 : x
  2. Step 2: Convert to fraction form
    316,772.00/437,156.24 = 173,532/x
  3. Step 3: Cross multiply
    316,772.00x = 437,156.24 × 173,532
  4. Step 4: Simplify right side
    316,772.00x = 75,860,595,772.02
  5. Step 5: Solve for x
    x = 75,860,595,772.02/316,772.00
  6. Step 6: Final answer
    x = 239,480.12

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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.