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Finding the Fourth Proportional to 160,958.30, 241,437.45 and 127,780.70

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Solution

The fourth proportional to 160,958.30, 241,437.45 and 127,780.70 is: 191,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,958.30 : 241,437.45 = 127,780.70 : x
  2. Step 2: Convert to fraction form
    160,958.30/241,437.45 = 127,780.70/x
  3. Step 3: Cross multiply
    160,958.30x = 241,437.45 × 127,780.70
  4. Step 4: Simplify right side
    160,958.30x = 30,851,046,367.22
  5. Step 5: Solve for x
    x = 30,851,046,367.22/160,958.30
  6. Step 6: Final answer
    x = 191,671.05

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1.5x scale

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.