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Finding the Fourth Proportional to 127,696.91, 176,222.91 and 70,336.43

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Solution

The fourth proportional to 127,696.91, 176,222.91 and 70,336.43 is: 97,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,696.91 : 176,222.91 = 70,336.43 : x
  2. Step 2: Convert to fraction form
    127,696.91/176,222.91 = 70,336.43/x
  3. Step 3: Cross multiply
    127,696.91x = 176,222.91 × 70,336.43
  4. Step 4: Simplify right side
    127,696.91x = 12,394,891,012.71
  5. Step 5: Solve for x
    x = 12,394,891,012.71/127,696.91
  6. Step 6: Final answer
    x = 97,064.93

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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.