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Finding the Fourth Proportional to 164,404.54, 226,853.94 and 99,840.20

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Solution

The fourth proportional to 164,404.54, 226,853.94 and 99,840.20 is: 137,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,404.54 : 226,853.94 = 99,840.20 : x
  2. Step 2: Convert to fraction form
    164,404.54/226,853.94 = 99,840.20/x
  3. Step 3: Cross multiply
    164,404.54x = 226,853.94 × 99,840.20
  4. Step 4: Simplify right side
    164,404.54x = 22,649,142,740.39
  5. Step 5: Solve for x
    x = 22,649,142,740.39/164,404.54
  6. Step 6: Final answer
    x = 137,764.70

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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.