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Finding the Fourth Proportional to 167,416.11, 231,035.94 and 90,935.91

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Solution

The fourth proportional to 167,416.11, 231,035.94 and 90,935.91 is: 125,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,416.11 : 231,035.94 = 90,935.91 : x
  2. Step 2: Convert to fraction form
    167,416.11/231,035.94 = 90,935.91/x
  3. Step 3: Cross multiply
    167,416.11x = 231,035.94 × 90,935.91
  4. Step 4: Simplify right side
    167,416.11x = 21,009,463,446.61
  5. Step 5: Solve for x
    x = 21,009,463,446.61/167,416.11
  6. Step 6: Final answer
    x = 125,492.48

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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.