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Finding the Fourth Proportional to 165,758.76, 228,773.16 and 97,783.36

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Solution

The fourth proportional to 165,758.76, 228,773.16 and 97,783.36 is: 134,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,758.76 : 228,773.16 = 97,783.36 : x
  2. Step 2: Convert to fraction form
    165,758.76/228,773.16 = 97,783.36/x
  3. Step 3: Cross multiply
    165,758.76x = 228,773.16 × 97,783.36
  4. Step 4: Simplify right side
    165,758.76x = 22,370,207,690.68
  5. Step 5: Solve for x
    x = 22,370,207,690.68/165,758.76
  6. Step 6: Final answer
    x = 134,956.41

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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.