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Finding the Fourth Proportional to 173,070.88, 238,838.16 and 93,582.88

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Solution

The fourth proportional to 173,070.88, 238,838.16 and 93,582.88 is: 129,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,070.88 : 238,838.16 = 93,582.88 : x
  2. Step 2: Convert to fraction form
    173,070.88/238,838.16 = 93,582.88/x
  3. Step 3: Cross multiply
    173,070.88x = 238,838.16 × 93,582.88
  4. Step 4: Simplify right side
    173,070.88x = 22,351,162,866.70
  5. Step 5: Solve for x
    x = 22,351,162,866.70/173,070.88
  6. Step 6: Final answer
    x = 129,144.56

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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.