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Finding the Fourth Proportional to 160,291.82, 240,520.51 and 70,397.66

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Solution

The fourth proportional to 160,291.82, 240,520.51 and 70,397.66 is: 105,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,291.82 : 240,520.51 = 70,397.66 : x
  2. Step 2: Convert to fraction form
    160,291.82/240,520.51 = 70,397.66/x
  3. Step 3: Cross multiply
    160,291.82x = 240,520.51 × 70,397.66
  4. Step 4: Simplify right side
    160,291.82x = 16,932,081,086.01
  5. Step 5: Solve for x
    x = 16,932,081,086.01/160,291.82
  6. Step 6: Final answer
    x = 105,632.85

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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.