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Finding the Fourth Proportional to 86,838, 119,841.48 and 48,597.22

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Solution

The fourth proportional to 86,838, 119,841.48 and 48,597.22 is: 67,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,838 : 119,841.48 = 48,597.22 : x
  2. Step 2: Convert to fraction form
    86,838/119,841.48 = 48,597.22/x
  3. Step 3: Cross multiply
    86,838x = 119,841.48 × 48,597.22
  4. Step 4: Simplify right side
    86,838x = 5,823,962,768.69
  5. Step 5: Solve for x
    x = 5,823,962,768.69/86,838
  6. Step 6: Final answer
    x = 67,066.98

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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.