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Finding the Fourth Proportional to 169,516.26, 233,964.72 and 112,156.74

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Solution

The fourth proportional to 169,516.26, 233,964.72 and 112,156.74 is: 154,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,516.26 : 233,964.72 = 112,156.74 : x
  2. Step 2: Convert to fraction form
    169,516.26/233,964.72 = 112,156.74/x
  3. Step 3: Cross multiply
    169,516.26x = 233,964.72 × 112,156.74
  4. Step 4: Simplify right side
    169,516.26x = 26,240,720,270.21
  5. Step 5: Solve for x
    x = 26,240,720,270.21/169,516.26
  6. Step 6: Final answer
    x = 154,797.66

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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.