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Finding the Fourth Proportional to 108,659.84, 162,949.68 and 37,564.48

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Solution

The fourth proportional to 108,659.84, 162,949.68 and 37,564.48 is: 56,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,659.84 : 162,949.68 = 37,564.48 : x
  2. Step 2: Convert to fraction form
    108,659.84/162,949.68 = 37,564.48/x
  3. Step 3: Cross multiply
    108,659.84x = 162,949.68 × 37,564.48
  4. Step 4: Simplify right side
    108,659.84x = 6,121,119,995.37
  5. Step 5: Solve for x
    x = 6,121,119,995.37/108,659.84
  6. Step 6: Final answer
    x = 56,332.86

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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.