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Finding the Fourth Proportional to 169,674.93, 233,993.91 and 109,138.77

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Solution

The fourth proportional to 169,674.93, 233,993.91 and 109,138.77 is: 150,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,674.93 : 233,993.91 = 109,138.77 : x
  2. Step 2: Convert to fraction form
    169,674.93/233,993.91 = 109,138.77/x
  3. Step 3: Cross multiply
    169,674.93x = 233,993.91 × 109,138.77
  4. Step 4: Simplify right side
    169,674.93x = 25,537,807,524.89
  5. Step 5: Solve for x
    x = 25,537,807,524.89/169,674.93
  6. Step 6: Final answer
    x = 150,510.20

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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.