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Finding the Fourth Proportional to 116,272.58, 160,473.71 and 70,976.93

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Solution

The fourth proportional to 116,272.58, 160,473.71 and 70,976.93 is: 97,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,272.58 : 160,473.71 = 70,976.93 : x
  2. Step 2: Convert to fraction form
    116,272.58/160,473.71 = 70,976.93/x
  3. Step 3: Cross multiply
    116,272.58x = 160,473.71 × 70,976.93
  4. Step 4: Simplify right side
    116,272.58x = 11,389,930,257.34
  5. Step 5: Solve for x
    x = 11,389,930,257.34/116,272.58
  6. Step 6: Final answer
    x = 97,958.87

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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.