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Finding the Fourth Proportional to 160,976.13, 241,701.12 and 90,037.71

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Solution

The fourth proportional to 160,976.13, 241,701.12 and 90,037.71 is: 135,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,976.13 : 241,701.12 = 90,037.71 : x
  2. Step 2: Convert to fraction form
    160,976.13/241,701.12 = 90,037.71/x
  3. Step 3: Cross multiply
    160,976.13x = 241,701.12 × 90,037.71
  4. Step 4: Simplify right side
    160,976.13x = 21,762,215,349.24
  5. Step 5: Solve for x
    x = 21,762,215,349.24/160,976.13
  6. Step 6: Final answer
    x = 135,189.08

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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.