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Finding the Fourth Proportional to 116,523.61, 160,803.71 and 66,222.97

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Solution

The fourth proportional to 116,523.61, 160,803.71 and 66,222.97 is: 91,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,523.61 : 160,803.71 = 66,222.97 : x
  2. Step 2: Convert to fraction form
    116,523.61/160,803.71 = 66,222.97/x
  3. Step 3: Cross multiply
    116,523.61x = 160,803.71 × 66,222.97
  4. Step 4: Simplify right side
    116,523.61x = 10,648,898,932.10
  5. Step 5: Solve for x
    x = 10,648,898,932.10/116,523.61
  6. Step 6: Final answer
    x = 91,388.34

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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.