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Finding the Fourth Proportional to 124,488.36, 171,793.11 and 70,773.39

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Solution

The fourth proportional to 124,488.36, 171,793.11 and 70,773.39 is: 97,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488.36 : 171,793.11 = 70,773.39 : x
  2. Step 2: Convert to fraction form
    124,488.36/171,793.11 = 70,773.39/x
  3. Step 3: Cross multiply
    124,488.36x = 171,793.11 × 70,773.39
  4. Step 4: Simplify right side
    124,488.36x = 12,158,380,773.34
  5. Step 5: Solve for x
    x = 12,158,380,773.34/124,488.36
  6. Step 6: Final answer
    x = 97,666.81

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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.