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Finding the Fourth Proportional to 60,140.00, 90,210.37 and 15,766.35

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Solution

The fourth proportional to 60,140.00, 90,210.37 and 15,766.35 is: 23,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,140.00 : 90,210.37 = 15,766.35 : x
  2. Step 2: Convert to fraction form
    60,140.00/90,210.37 = 15,766.35/x
  3. Step 3: Cross multiply
    60,140.00x = 90,210.37 × 15,766.35
  4. Step 4: Simplify right side
    60,140.00x = 1,422,288,267.05
  5. Step 5: Solve for x
    x = 1,422,288,267.05/60,140.00
  6. Step 6: Final answer
    x = 23,649.62

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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.