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Finding the Fourth Proportional to 160,798.12, 221,865.65 and 92,800.69

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Solution

The fourth proportional to 160,798.12, 221,865.65 and 92,800.69 is: 128,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,798.12 : 221,865.65 = 92,800.69 : x
  2. Step 2: Convert to fraction form
    160,798.12/221,865.65 = 92,800.69/x
  3. Step 3: Cross multiply
    160,798.12x = 221,865.65 × 92,800.69
  4. Step 4: Simplify right side
    160,798.12x = 20,589,283,833.97
  5. Step 5: Solve for x
    x = 20,589,283,833.97/160,798.12
  6. Step 6: Final answer
    x = 128,044.31

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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.