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Finding the Fourth Proportional to 135,508.48, 203,332.11 and 64,511.44

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Solution

The fourth proportional to 135,508.48, 203,332.11 and 64,511.44 is: 96,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,508.48 : 203,332.11 = 64,511.44 : x
  2. Step 2: Convert to fraction form
    135,508.48/203,332.11 = 64,511.44/x
  3. Step 3: Cross multiply
    135,508.48x = 203,332.11 × 64,511.44
  4. Step 4: Simplify right side
    135,508.48x = 13,117,247,214.34
  5. Step 5: Solve for x
    x = 13,117,247,214.34/135,508.48
  6. Step 6: Final answer
    x = 96,800.19

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1.5x scale

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.