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Finding the Fourth Proportional to 61,601.68, 92,413.91 and 19,492.36

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Solution

The fourth proportional to 61,601.68, 92,413.91 and 19,492.36 is: 29,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.68 : 92,413.91 = 19,492.36 : x
  2. Step 2: Convert to fraction form
    61,601.68/92,413.91 = 19,492.36/x
  3. Step 3: Cross multiply
    61,601.68x = 92,413.91 × 19,492.36
  4. Step 4: Simplify right side
    61,601.68x = 1,801,364,643.20
  5. Step 5: Solve for x
    x = 1,801,364,643.20/61,601.68
  6. Step 6: Final answer
    x = 29,242.14

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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.