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Finding the Fourth Proportional to 103,745.48, 143,176.02 and 59,033.48

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Solution

The fourth proportional to 103,745.48, 143,176.02 and 59,033.48 is: 81,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,745.48 : 143,176.02 = 59,033.48 : x
  2. Step 2: Convert to fraction form
    103,745.48/143,176.02 = 59,033.48/x
  3. Step 3: Cross multiply
    103,745.48x = 143,176.02 × 59,033.48
  4. Step 4: Simplify right side
    103,745.48x = 8,452,178,713.15
  5. Step 5: Solve for x
    x = 8,452,178,713.15/103,745.48
  6. Step 6: Final answer
    x = 81,470.33

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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.