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Finding the Fourth Proportional to 165,355.98, 228,303.96 and 110,989.70

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Solution

The fourth proportional to 165,355.98, 228,303.96 and 110,989.70 is: 153,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,355.98 : 228,303.96 = 110,989.70 : x
  2. Step 2: Convert to fraction form
    165,355.98/228,303.96 = 110,989.70/x
  3. Step 3: Cross multiply
    165,355.98x = 228,303.96 × 110,989.70
  4. Step 4: Simplify right side
    165,355.98x = 25,339,386,887.69
  5. Step 5: Solve for x
    x = 25,339,386,887.69/165,355.98
  6. Step 6: Final answer
    x = 153,241.43

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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.