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Finding the Fourth Proportional to 110,256.84, 152,201.01 and 74,495.30

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Solution

The fourth proportional to 110,256.84, 152,201.01 and 74,495.30 is: 102,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,256.84 : 152,201.01 = 74,495.30 : x
  2. Step 2: Convert to fraction form
    110,256.84/152,201.01 = 74,495.30/x
  3. Step 3: Cross multiply
    110,256.84x = 152,201.01 × 74,495.30
  4. Step 4: Simplify right side
    110,256.84x = 11,338,259,527.78
  5. Step 5: Solve for x
    x = 11,338,259,527.78/110,256.84
  6. Step 6: Final answer
    x = 102,834.98

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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.