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Finding the Fourth Proportional to 116,469.63, 160,727.29 and 66,168.63

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Solution

The fourth proportional to 116,469.63, 160,727.29 and 66,168.63 is: 91,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,469.63 : 160,727.29 = 66,168.63 : x
  2. Step 2: Convert to fraction form
    116,469.63/160,727.29 = 66,168.63/x
  3. Step 3: Cross multiply
    116,469.63x = 160,727.29 × 66,168.63
  4. Step 4: Simplify right side
    116,469.63x = 10,635,104,417.49
  5. Step 5: Solve for x
    x = 10,635,104,417.49/116,469.63
  6. Step 6: Final answer
    x = 91,312.25

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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.