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Finding the Fourth Proportional to 116,645.58, 160,976.14 and 65,675.84

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Solution

The fourth proportional to 116,645.58, 160,976.14 and 65,675.84 is: 90,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,645.58 : 160,976.14 = 65,675.84 : x
  2. Step 2: Convert to fraction form
    116,645.58/160,976.14 = 65,675.84/x
  3. Step 3: Cross multiply
    116,645.58x = 160,976.14 × 65,675.84
  4. Step 4: Simplify right side
    116,645.58x = 10,572,242,245.39
  5. Step 5: Solve for x
    x = 10,572,242,245.39/116,645.58
  6. Step 6: Final answer
    x = 90,635.60

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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.