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Finding the Fourth Proportional to 103,808.90, 155,901.07 and 95,902.90

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Solution

The fourth proportional to 103,808.90, 155,901.07 and 95,902.90 is: 144,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,808.90 : 155,901.07 = 95,902.90 : x
  2. Step 2: Convert to fraction form
    103,808.90/155,901.07 = 95,902.90/x
  3. Step 3: Cross multiply
    103,808.90x = 155,901.07 × 95,902.90
  4. Step 4: Simplify right side
    103,808.90x = 14,951,364,456.23
  5. Step 5: Solve for x
    x = 14,951,364,456.23/103,808.90
  6. Step 6: Final answer
    x = 144,027.77

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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.