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Finding the Fourth Proportional to 96,619.10, 135,358.90 and 96,619.10

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Solution

The fourth proportional to 96,619.10, 135,358.90 and 96,619.10 is: 135,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,619.10 : 135,358.90 = 96,619.10 : x
  2. Step 2: Convert to fraction form
    96,619.10/135,358.90 = 96,619.10/x
  3. Step 3: Cross multiply
    96,619.10x = 135,358.90 × 96,619.10
  4. Step 4: Simplify right side
    96,619.10x = 13,078,255,094.99
  5. Step 5: Solve for x
    x = 13,078,255,094.99/96,619.10
  6. Step 6: Final answer
    x = 135,358.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.