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Finding the Fourth Proportional to 119,360.63, 164,720.30 and 65,648.36

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Solution

The fourth proportional to 119,360.63, 164,720.30 and 65,648.36 is: 90,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,360.63 : 164,720.30 = 65,648.36 : x
  2. Step 2: Convert to fraction form
    119,360.63/164,720.30 = 65,648.36/x
  3. Step 3: Cross multiply
    119,360.63x = 164,720.30 × 65,648.36
  4. Step 4: Simplify right side
    119,360.63x = 10,813,617,553.71
  5. Step 5: Solve for x
    x = 10,813,617,553.71/119,360.63
  6. Step 6: Final answer
    x = 90,596.18

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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.