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Finding the Fourth Proportional to 162,560.82, 223,835.46 and 142,304.34

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Solution

The fourth proportional to 162,560.82, 223,835.46 and 142,304.34 is: 195,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,560.82 : 223,835.46 = 142,304.34 : x
  2. Step 2: Convert to fraction form
    162,560.82/223,835.46 = 142,304.34/x
  3. Step 3: Cross multiply
    162,560.82x = 223,835.46 × 142,304.34
  4. Step 4: Simplify right side
    162,560.82x = 31,852,757,403.90
  5. Step 5: Solve for x
    x = 31,852,757,403.90/162,560.82
  6. Step 6: Final answer
    x = 195,943.63

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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.