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Finding the Fourth Proportional to 86,073.39, 118,792.41 and 48,347.64

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Solution

The fourth proportional to 86,073.39, 118,792.41 and 48,347.64 is: 66,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.39 : 118,792.41 = 48,347.64 : x
  2. Step 2: Convert to fraction form
    86,073.39/118,792.41 = 48,347.64/x
  3. Step 3: Cross multiply
    86,073.39x = 118,792.41 × 48,347.64
  4. Step 4: Simplify right side
    86,073.39x = 5,743,332,673.41
  5. Step 5: Solve for x
    x = 5,743,332,673.41/86,073.39
  6. Step 6: Final answer
    x = 66,726.00

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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.