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Finding the Fourth Proportional to 119,612.49, 165,064.46 and 65,896.26

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Solution

The fourth proportional to 119,612.49, 165,064.46 and 65,896.26 is: 90,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,612.49 : 165,064.46 = 65,896.26 : x
  2. Step 2: Convert to fraction form
    119,612.49/165,064.46 = 65,896.26/x
  3. Step 3: Cross multiply
    119,612.49x = 165,064.46 × 65,896.26
  4. Step 4: Simplify right side
    119,612.49x = 10,877,130,572.92
  5. Step 5: Solve for x
    x = 10,877,130,572.92/119,612.49
  6. Step 6: Final answer
    x = 90,936.41

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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.