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Finding the Fourth Proportional to 85,059, 127,589.04 and 29,655

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Solution

The fourth proportional to 85,059, 127,589.04 and 29,655 is: 44,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,059 : 127,589.04 = 29,655 : x
  2. Step 2: Convert to fraction form
    85,059/127,589.04 = 29,655/x
  3. Step 3: Cross multiply
    85,059x = 127,589.04 × 29,655
  4. Step 4: Simplify right side
    85,059x = 3,783,652,981.20
  5. Step 5: Solve for x
    x = 3,783,652,981.20/85,059
  6. Step 6: Final answer
    x = 44,482.69

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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.