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Finding the Fourth Proportional to 101,335.61, 152,011.17 and 34,775.21

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Solution

The fourth proportional to 101,335.61, 152,011.17 and 34,775.21 is: 52,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,335.61 : 152,011.17 = 34,775.21 : x
  2. Step 2: Convert to fraction form
    101,335.61/152,011.17 = 34,775.21/x
  3. Step 3: Cross multiply
    101,335.61x = 152,011.17 × 34,775.21
  4. Step 4: Simplify right side
    101,335.61x = 5,286,219,599.04
  5. Step 5: Solve for x
    x = 5,286,219,599.04/101,335.61
  6. Step 6: Final answer
    x = 52,165.47

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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.