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Finding the Fourth Proportional to 101,756.90, 152,642.63 and 26,876.29

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Solution

The fourth proportional to 101,756.90, 152,642.63 and 26,876.29 is: 40,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,756.90 : 152,642.63 = 26,876.29 : x
  2. Step 2: Convert to fraction form
    101,756.90/152,642.63 = 26,876.29/x
  3. Step 3: Cross multiply
    101,756.90x = 152,642.63 × 26,876.29
  4. Step 4: Simplify right side
    101,756.90x = 4,102,468,224.89
  5. Step 5: Solve for x
    x = 4,102,468,224.89/101,756.90
  6. Step 6: Final answer
    x = 40,316.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.