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Finding the Fourth Proportional to 86,344.60, 119,144.64 and 48,094.51

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Solution

The fourth proportional to 86,344.60, 119,144.64 and 48,094.51 is: 66,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.60 : 119,144.64 = 48,094.51 : x
  2. Step 2: Convert to fraction form
    86,344.60/119,144.64 = 48,094.51/x
  3. Step 3: Cross multiply
    86,344.60x = 119,144.64 × 48,094.51
  4. Step 4: Simplify right side
    86,344.60x = 5,730,203,079.93
  5. Step 5: Solve for x
    x = 5,730,203,079.93/86,344.60
  6. Step 6: Final answer
    x = 66,364.35

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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.