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Finding the Fourth Proportional to 160,410.47, 221,415.80 and 92,472.88

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Solution

The fourth proportional to 160,410.47, 221,415.80 and 92,472.88 is: 127,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,410.47 : 221,415.80 = 92,472.88 : x
  2. Step 2: Convert to fraction form
    160,410.47/221,415.80 = 92,472.88/x
  3. Step 3: Cross multiply
    160,410.47x = 221,415.80 × 92,472.88
  4. Step 4: Simplify right side
    160,410.47x = 20,474,956,241.14
  5. Step 5: Solve for x
    x = 20,474,956,241.14/160,410.47
  6. Step 6: Final answer
    x = 127,641.03

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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.