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Finding the Fourth Proportional to 101,190.77, 151,771.88 and 55,612.68

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Solution

The fourth proportional to 101,190.77, 151,771.88 and 55,612.68 is: 83,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,190.77 : 151,771.88 = 55,612.68 : x
  2. Step 2: Convert to fraction form
    101,190.77/151,771.88 = 55,612.68/x
  3. Step 3: Cross multiply
    101,190.77x = 151,771.88 × 55,612.68
  4. Step 4: Simplify right side
    101,190.77x = 8,440,440,717.38
  5. Step 5: Solve for x
    x = 8,440,440,717.38/101,190.77
  6. Step 6: Final answer
    x = 83,411.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.