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Finding the Fourth Proportional to 60,184.64, 90,291.95 and 18,065.50

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Solution

The fourth proportional to 60,184.64, 90,291.95 and 18,065.50 is: 27,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,184.64 : 90,291.95 = 18,065.50 : x
  2. Step 2: Convert to fraction form
    60,184.64/90,291.95 = 18,065.50/x
  3. Step 3: Cross multiply
    60,184.64x = 90,291.95 × 18,065.50
  4. Step 4: Simplify right side
    60,184.64x = 1,631,168,906.67
  5. Step 5: Solve for x
    x = 1,631,168,906.67/60,184.64
  6. Step 6: Final answer
    x = 27,102.75

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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.