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Finding the Fourth Proportional to 169,367.28, 233,728.10 and 115,650.91

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Solution

The fourth proportional to 169,367.28, 233,728.10 and 115,650.91 is: 159,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,367.28 : 233,728.10 = 115,650.91 : x
  2. Step 2: Convert to fraction form
    169,367.28/233,728.10 = 115,650.91/x
  3. Step 3: Cross multiply
    169,367.28x = 233,728.10 × 115,650.91
  4. Step 4: Simplify right side
    169,367.28x = 27,030,867,457.57
  5. Step 5: Solve for x
    x = 27,030,867,457.57/169,367.28
  6. Step 6: Final answer
    x = 159,599.11

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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.