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Finding the Fourth Proportional to 86,264.63, 129,209.82 and 41,798.13

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Solution

The fourth proportional to 86,264.63, 129,209.82 and 41,798.13 is: 62,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,264.63 : 129,209.82 = 41,798.13 : x
  2. Step 2: Convert to fraction form
    86,264.63/129,209.82 = 41,798.13/x
  3. Step 3: Cross multiply
    86,264.63x = 129,209.82 × 41,798.13
  4. Step 4: Simplify right side
    86,264.63x = 5,400,728,212.36
  5. Step 5: Solve for x
    x = 5,400,728,212.36/86,264.63
  6. Step 6: Final answer
    x = 62,606.52

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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.