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Finding the Fourth Proportional to 173,281, 239,128.50 and 93,793

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Solution

The fourth proportional to 173,281, 239,128.50 and 93,793 is: 129,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,281 : 239,128.50 = 93,793 : x
  2. Step 2: Convert to fraction form
    173,281/239,128.50 = 93,793/x
  3. Step 3: Cross multiply
    173,281x = 239,128.50 × 93,793
  4. Step 4: Simplify right side
    173,281x = 22,428,579,400.50
  5. Step 5: Solve for x
    x = 22,428,579,400.50/173,281
  6. Step 6: Final answer
    x = 129,434.73

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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.