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Finding the Fourth Proportional to 160,932.80, 241,658.40 and 121,534.40

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Solution

The fourth proportional to 160,932.80, 241,658.40 and 121,534.40 is: 182,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,932.80 : 241,658.40 = 121,534.40 : x
  2. Step 2: Convert to fraction form
    160,932.80/241,658.40 = 121,534.40/x
  3. Step 3: Cross multiply
    160,932.80x = 241,658.40 × 121,534.40
  4. Step 4: Simplify right side
    160,932.80x = 29,369,808,648.96
  5. Step 5: Solve for x
    x = 29,369,808,648.96/160,932.80
  6. Step 6: Final answer
    x = 182,497.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.