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Finding the Fourth Proportional to 100,166.60, 149,954.64 and 73,988.22

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Solution

The fourth proportional to 100,166.60, 149,954.64 and 73,988.22 is: 110,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,166.60 : 149,954.64 = 73,988.22 : x
  2. Step 2: Convert to fraction form
    100,166.60/149,954.64 = 73,988.22/x
  3. Step 3: Cross multiply
    100,166.60x = 149,954.64 × 73,988.22
  4. Step 4: Simplify right side
    100,166.60x = 11,094,876,894.34
  5. Step 5: Solve for x
    x = 11,094,876,894.34/100,166.60
  6. Step 6: Final answer
    x = 110,764.24

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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.