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Finding the Fourth Proportional to 80,214.00, 110,448.06 and 71,245.93

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Solution

The fourth proportional to 80,214.00, 110,448.06 and 71,245.93 is: 98,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.00 : 110,448.06 = 71,245.93 : x
  2. Step 2: Convert to fraction form
    80,214.00/110,448.06 = 71,245.93/x
  3. Step 3: Cross multiply
    80,214.00x = 110,448.06 × 71,245.93
  4. Step 4: Simplify right side
    80,214.00x = 7,868,974,415.19
  5. Step 5: Solve for x
    x = 7,868,974,415.19/80,214.00
  6. Step 6: Final answer
    x = 98,099.77

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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.