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Finding the Fourth Proportional to 73,407.15, 110,600.01 and 66,394.98

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Solution

The fourth proportional to 73,407.15, 110,600.01 and 66,394.98 is: 100,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407.15 : 110,600.01 = 66,394.98 : x
  2. Step 2: Convert to fraction form
    73,407.15/110,600.01 = 66,394.98/x
  3. Step 3: Cross multiply
    73,407.15x = 110,600.01 × 66,394.98
  4. Step 4: Simplify right side
    73,407.15x = 7,343,285,451.95
  5. Step 5: Solve for x
    x = 7,343,285,451.95/73,407.15
  6. Step 6: Final answer
    x = 100,035.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.