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Finding the Fourth Proportional to 88,344.81, 121,914.59 and 48,058.88

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Solution

The fourth proportional to 88,344.81, 121,914.59 and 48,058.88 is: 66,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,344.81 : 121,914.59 = 48,058.88 : x
  2. Step 2: Convert to fraction form
    88,344.81/121,914.59 = 48,058.88/x
  3. Step 3: Cross multiply
    88,344.81x = 121,914.59 × 48,058.88
  4. Step 4: Simplify right side
    88,344.81x = 5,859,077,801.19
  5. Step 5: Solve for x
    x = 5,859,077,801.19/88,344.81
  6. Step 6: Final answer
    x = 66,320.57

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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.