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Finding the Fourth Proportional to 160,734.52, 221,802.80 and 92,754.33

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Solution

The fourth proportional to 160,734.52, 221,802.80 and 92,754.33 is: 127,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,734.52 : 221,802.80 = 92,754.33 : x
  2. Step 2: Convert to fraction form
    160,734.52/221,802.80 = 92,754.33/x
  3. Step 3: Cross multiply
    160,734.52x = 221,802.80 × 92,754.33
  4. Step 4: Simplify right side
    160,734.52x = 20,573,170,106.12
  5. Step 5: Solve for x
    x = 20,573,170,106.12/160,734.52
  6. Step 6: Final answer
    x = 127,994.72

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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.