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Finding the Fourth Proportional to 60,156.90, 90,217.83 and 18,035.30

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Solution

The fourth proportional to 60,156.90, 90,217.83 and 18,035.30 is: 27,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,156.90 : 90,217.83 = 18,035.30 : x
  2. Step 2: Convert to fraction form
    60,156.90/90,217.83 = 18,035.30/x
  3. Step 3: Cross multiply
    60,156.90x = 90,217.83 × 18,035.30
  4. Step 4: Simplify right side
    60,156.90x = 1,627,105,629.40
  5. Step 5: Solve for x
    x = 1,627,105,629.40/60,156.90
  6. Step 6: Final answer
    x = 27,047.70

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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.