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Finding the Fourth Proportional to 124,604.70, 171,948.48 and 70,884.66

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Solution

The fourth proportional to 124,604.70, 171,948.48 and 70,884.66 is: 97,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,604.70 : 171,948.48 = 70,884.66 : x
  2. Step 2: Convert to fraction form
    124,604.70/171,948.48 = 70,884.66/x
  3. Step 3: Cross multiply
    124,604.70x = 171,948.48 × 70,884.66
  4. Step 4: Simplify right side
    124,604.70x = 12,188,509,542.32
  5. Step 5: Solve for x
    x = 12,188,509,542.32/124,604.70
  6. Step 6: Final answer
    x = 97,817.41

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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.