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Finding the Fourth Proportional to 101,164.40, 151,746.60 and 63,766.70

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Solution

The fourth proportional to 101,164.40, 151,746.60 and 63,766.70 is: 95,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,164.40 : 151,746.60 = 63,766.70 : x
  2. Step 2: Convert to fraction form
    101,164.40/151,746.60 = 63,766.70/x
  3. Step 3: Cross multiply
    101,164.40x = 151,746.60 × 63,766.70
  4. Step 4: Simplify right side
    101,164.40x = 9,676,379,918.22
  5. Step 5: Solve for x
    x = 9,676,379,918.22/101,164.40
  6. Step 6: Final answer
    x = 95,650.05

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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.