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Finding the Fourth Proportional to 124,149.14, 171,329.70 and 70,436.42

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Solution

The fourth proportional to 124,149.14, 171,329.70 and 70,436.42 is: 97,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.14 : 171,329.70 = 70,436.42 : x
  2. Step 2: Convert to fraction form
    124,149.14/171,329.70 = 70,436.42/x
  3. Step 3: Cross multiply
    124,149.14x = 171,329.70 × 70,436.42
  4. Step 4: Simplify right side
    124,149.14x = 12,067,850,707.67
  5. Step 5: Solve for x
    x = 12,067,850,707.67/124,149.14
  6. Step 6: Final answer
    x = 97,204.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.