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Finding the Fourth Proportional to 60,955.88, 84,120.80 and 34,103.03

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Solution

The fourth proportional to 60,955.88, 84,120.80 and 34,103.03 is: 47,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,955.88 : 84,120.80 = 34,103.03 : x
  2. Step 2: Convert to fraction form
    60,955.88/84,120.80 = 34,103.03/x
  3. Step 3: Cross multiply
    60,955.88x = 84,120.80 × 34,103.03
  4. Step 4: Simplify right side
    60,955.88x = 2,868,773,574.90
  5. Step 5: Solve for x
    x = 2,868,773,574.90/60,955.88
  6. Step 6: Final answer
    x = 47,063.12

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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.