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Finding the Fourth Proportional to 135,460.64, 187,027.02 and 84,550.92

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Solution

The fourth proportional to 135,460.64, 187,027.02 and 84,550.92 is: 116,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,460.64 : 187,027.02 = 84,550.92 : x
  2. Step 2: Convert to fraction form
    135,460.64/187,027.02 = 84,550.92/x
  3. Step 3: Cross multiply
    135,460.64x = 187,027.02 × 84,550.92
  4. Step 4: Simplify right side
    135,460.64x = 15,813,306,605.86
  5. Step 5: Solve for x
    x = 15,813,306,605.86/135,460.64
  6. Step 6: Final answer
    x = 116,737.28

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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.