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Finding the Fourth Proportional to 160,697.44, 221,763.60 and 92,728.48

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Solution

The fourth proportional to 160,697.44, 221,763.60 and 92,728.48 is: 127,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,697.44 : 221,763.60 = 92,728.48 : x
  2. Step 2: Convert to fraction form
    160,697.44/221,763.60 = 92,728.48/x
  3. Step 3: Cross multiply
    160,697.44x = 221,763.60 × 92,728.48
  4. Step 4: Simplify right side
    160,697.44x = 20,563,801,547.33
  5. Step 5: Solve for x
    x = 20,563,801,547.33/160,697.44
  6. Step 6: Final answer
    x = 127,965.96

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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.