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Finding the Fourth Proportional to 114,745.44, 158,331.48 and 64,434.72

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Solution

The fourth proportional to 114,745.44, 158,331.48 and 64,434.72 is: 88,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,745.44 : 158,331.48 = 64,434.72 : x
  2. Step 2: Convert to fraction form
    114,745.44/158,331.48 = 64,434.72/x
  3. Step 3: Cross multiply
    114,745.44x = 158,331.48 × 64,434.72
  4. Step 4: Simplify right side
    114,745.44x = 10,202,044,580.99
  5. Step 5: Solve for x
    x = 10,202,044,580.99/114,745.44
  6. Step 6: Final answer
    x = 88,910.24

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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.