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Finding the Fourth Proportional to 113,513.36, 156,648.48 and 65,794.37

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Solution

The fourth proportional to 113,513.36, 156,648.48 and 65,794.37 is: 90,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.36 : 156,648.48 = 65,794.37 : x
  2. Step 2: Convert to fraction form
    113,513.36/156,648.48 = 65,794.37/x
  3. Step 3: Cross multiply
    113,513.36x = 156,648.48 × 65,794.37
  4. Step 4: Simplify right side
    113,513.36x = 10,306,588,053.06
  5. Step 5: Solve for x
    x = 10,306,588,053.06/113,513.36
  6. Step 6: Final answer
    x = 90,796.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.