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Finding the Fourth Proportional to 61,601.67, 92,413.89 and 19,492.35

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Solution

The fourth proportional to 61,601.67, 92,413.89 and 19,492.35 is: 29,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.67 : 92,413.89 = 19,492.35 : x
  2. Step 2: Convert to fraction form
    61,601.67/92,413.89 = 19,492.35/x
  3. Step 3: Cross multiply
    61,601.67x = 92,413.89 × 19,492.35
  4. Step 4: Simplify right side
    61,601.67x = 1,801,363,888.74
  5. Step 5: Solve for x
    x = 1,801,363,888.74/61,601.67
  6. Step 6: Final answer
    x = 29,242.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.