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Finding the Fourth Proportional to 128,269.96, 192,404.94 and 34,773.28

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Solution

The fourth proportional to 128,269.96, 192,404.94 and 34,773.28 is: 52,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,269.96 : 192,404.94 = 34,773.28 : x
  2. Step 2: Convert to fraction form
    128,269.96/192,404.94 = 34,773.28/x
  3. Step 3: Cross multiply
    128,269.96x = 192,404.94 × 34,773.28
  4. Step 4: Simplify right side
    128,269.96x = 6,690,550,852.00
  5. Step 5: Solve for x
    x = 6,690,550,852.00/128,269.96
  6. Step 6: Final answer
    x = 52,159.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.