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Finding the Fourth Proportional to 89,967.48, 134,970.24 and 33,808.08

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Solution

The fourth proportional to 89,967.48, 134,970.24 and 33,808.08 is: 50,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,967.48 : 134,970.24 = 33,808.08 : x
  2. Step 2: Convert to fraction form
    89,967.48/134,970.24 = 33,808.08/x
  3. Step 3: Cross multiply
    89,967.48x = 134,970.24 × 33,808.08
  4. Step 4: Simplify right side
    89,967.48x = 4,563,084,671.54
  5. Step 5: Solve for x
    x = 4,563,084,671.54/89,967.48
  6. Step 6: Final answer
    x = 50,719.27

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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.