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Finding the Fourth Proportional to 165,695.98, 228,690.22 and 97,708.88

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Solution

The fourth proportional to 165,695.98, 228,690.22 and 97,708.88 is: 134,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,695.98 : 228,690.22 = 97,708.88 : x
  2. Step 2: Convert to fraction form
    165,695.98/228,690.22 = 97,708.88/x
  3. Step 3: Cross multiply
    165,695.98x = 228,690.22 × 97,708.88
  4. Step 4: Simplify right side
    165,695.98x = 22,345,065,263.15
  5. Step 5: Solve for x
    x = 22,345,065,263.15/165,695.98
  6. Step 6: Final answer
    x = 134,855.81

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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.