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Finding the Fourth Proportional to 110,427, 152,389.26 and 60,126

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Solution

The fourth proportional to 110,427, 152,389.26 and 60,126 is: 82,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,427 : 152,389.26 = 60,126 : x
  2. Step 2: Convert to fraction form
    110,427/152,389.26 = 60,126/x
  3. Step 3: Cross multiply
    110,427x = 152,389.26 × 60,126
  4. Step 4: Simplify right side
    110,427x = 9,162,556,646.76
  5. Step 5: Solve for x
    x = 9,162,556,646.76/110,427
  6. Step 6: Final answer
    x = 82,973.88

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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.