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Finding the Fourth Proportional to 86,058.62, 118,772.04 and 48,332.88

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Solution

The fourth proportional to 86,058.62, 118,772.04 and 48,332.88 is: 66,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.62 : 118,772.04 = 48,332.88 : x
  2. Step 2: Convert to fraction form
    86,058.62/118,772.04 = 48,332.88/x
  3. Step 3: Cross multiply
    86,058.62x = 118,772.04 × 48,332.88
  4. Step 4: Simplify right side
    86,058.62x = 5,740,594,756.68
  5. Step 5: Solve for x
    x = 5,740,594,756.68/86,058.62
  6. Step 6: Final answer
    x = 66,705.63

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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.