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Finding the Fourth Proportional to 172,695.70, 238,303.78 and 96,207

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Solution

The fourth proportional to 172,695.70, 238,303.78 and 96,207 is: 132,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,695.70 : 238,303.78 = 96,207 : x
  2. Step 2: Convert to fraction form
    172,695.70/238,303.78 = 96,207/x
  3. Step 3: Cross multiply
    172,695.70x = 238,303.78 × 96,207
  4. Step 4: Simplify right side
    172,695.70x = 22,926,491,762.46
  5. Step 5: Solve for x
    x = 22,926,491,762.46/172,695.70
  6. Step 6: Final answer
    x = 132,756.59

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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.