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Finding the Fourth Proportional to 89,753.10, 134,619.17 and 23,188.01

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Solution

The fourth proportional to 89,753.10, 134,619.17 and 23,188.01 is: 34,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.10 : 134,619.17 = 23,188.01 : x
  2. Step 2: Convert to fraction form
    89,753.10/134,619.17 = 23,188.01/x
  3. Step 3: Cross multiply
    89,753.10x = 134,619.17 × 23,188.01
  4. Step 4: Simplify right side
    89,753.10x = 3,121,549,871.12
  5. Step 5: Solve for x
    x = 3,121,549,871.12/89,753.10
  6. Step 6: Final answer
    x = 34,779.30

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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.