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Finding the Fourth Proportional to 68,842.16, 103,253.52 and 22,088.96

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Solution

The fourth proportional to 68,842.16, 103,253.52 and 22,088.96 is: 33,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842.16 : 103,253.52 = 22,088.96 : x
  2. Step 2: Convert to fraction form
    68,842.16/103,253.52 = 22,088.96/x
  3. Step 3: Cross multiply
    68,842.16x = 103,253.52 × 22,088.96
  4. Step 4: Simplify right side
    68,842.16x = 2,280,762,873.14
  5. Step 5: Solve for x
    x = 2,280,762,873.14/68,842.16
  6. Step 6: Final answer
    x = 33,130.32

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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.