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Finding the Fourth Proportional to 110,807.70, 166,265.55 and 51,612.90

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Solution

The fourth proportional to 110,807.70, 166,265.55 and 51,612.90 is: 77,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.70 : 166,265.55 = 51,612.90 : x
  2. Step 2: Convert to fraction form
    110,807.70/166,265.55 = 51,612.90/x
  3. Step 3: Cross multiply
    110,807.70x = 166,265.55 × 51,612.90
  4. Step 4: Simplify right side
    110,807.70x = 8,581,447,205.60
  5. Step 5: Solve for x
    x = 8,581,447,205.60/110,807.70
  6. Step 6: Final answer
    x = 77,444.50

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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.