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Finding the Fourth Proportional to 84,443.54, 116,284.07 and 75,487.77

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Solution

The fourth proportional to 84,443.54, 116,284.07 and 75,487.77 is: 103,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,443.54 : 116,284.07 = 75,487.77 : x
  2. Step 2: Convert to fraction form
    84,443.54/116,284.07 = 75,487.77/x
  3. Step 3: Cross multiply
    84,443.54x = 116,284.07 × 75,487.77
  4. Step 4: Simplify right side
    84,443.54x = 8,778,025,319.54
  5. Step 5: Solve for x
    x = 8,778,025,319.54/84,443.54
  6. Step 6: Final answer
    x = 103,951.42

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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.