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Finding the Fourth Proportional to 124,413.58, 171,690.33 and 67,824.94

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Solution

The fourth proportional to 124,413.58, 171,690.33 and 67,824.94 is: 93,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413.58 : 171,690.33 = 67,824.94 : x
  2. Step 2: Convert to fraction form
    124,413.58/171,690.33 = 67,824.94/x
  3. Step 3: Cross multiply
    124,413.58x = 171,690.33 × 67,824.94
  4. Step 4: Simplify right side
    124,413.58x = 11,644,886,330.83
  5. Step 5: Solve for x
    x = 11,644,886,330.83/124,413.58
  6. Step 6: Final answer
    x = 93,598.19

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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.