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Finding the Fourth Proportional to 116,696.49, 160,702.28 and 101,376.03

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Solution

The fourth proportional to 116,696.49, 160,702.28 and 101,376.03 is: 139,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,696.49 : 160,702.28 = 101,376.03 : x
  2. Step 2: Convert to fraction form
    116,696.49/160,702.28 = 101,376.03/x
  3. Step 3: Cross multiply
    116,696.49x = 160,702.28 × 101,376.03
  4. Step 4: Simplify right side
    116,696.49x = 16,291,358,651.47
  5. Step 5: Solve for x
    x = 16,291,358,651.47/116,696.49
  6. Step 6: Final answer
    x = 139,604.53

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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.