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Finding the Fourth Proportional to 153,375.93, 211,626.27 and 96,754.50

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Solution

The fourth proportional to 153,375.93, 211,626.27 and 96,754.50 is: 133,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,375.93 : 211,626.27 = 96,754.50 : x
  2. Step 2: Convert to fraction form
    153,375.93/211,626.27 = 96,754.50/x
  3. Step 3: Cross multiply
    153,375.93x = 211,626.27 × 96,754.50
  4. Step 4: Simplify right side
    153,375.93x = 20,475,793,940.72
  5. Step 5: Solve for x
    x = 20,475,793,940.72/153,375.93
  6. Step 6: Final answer
    x = 133,500.70

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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.