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Finding the Fourth Proportional to 84,896.60, 119,030.20 and 84,896.60

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Solution

The fourth proportional to 84,896.60, 119,030.20 and 84,896.60 is: 119,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.60 : 119,030.20 = 84,896.60 : x
  2. Step 2: Convert to fraction form
    84,896.60/119,030.20 = 84,896.60/x
  3. Step 3: Cross multiply
    84,896.60x = 119,030.20 × 84,896.60
  4. Step 4: Simplify right side
    84,896.60x = 10,105,259,277.32
  5. Step 5: Solve for x
    x = 10,105,259,277.32/84,896.60
  6. Step 6: Final answer
    x = 119,030.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.