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Finding the Fourth Proportional to 164,398.95, 226,847.79 and 91,792.98

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Solution

The fourth proportional to 164,398.95, 226,847.79 and 91,792.98 is: 126,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,398.95 : 226,847.79 = 91,792.98 : x
  2. Step 2: Convert to fraction form
    164,398.95/226,847.79 = 91,792.98/x
  3. Step 3: Cross multiply
    164,398.95x = 226,847.79 × 91,792.98
  4. Step 4: Simplify right side
    164,398.95x = 20,823,034,650.51
  5. Step 5: Solve for x
    x = 20,823,034,650.51/164,398.95
  6. Step 6: Final answer
    x = 126,661.60

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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.