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Finding the Fourth Proportional to 201,656.61, 302,434.70 and 61,413.21

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Solution

The fourth proportional to 201,656.61, 302,434.70 and 61,413.21 is: 92,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,656.61 : 302,434.70 = 61,413.21 : x
  2. Step 2: Convert to fraction form
    201,656.61/302,434.70 = 61,413.21/x
  3. Step 3: Cross multiply
    201,656.61x = 302,434.70 × 61,413.21
  4. Step 4: Simplify right side
    201,656.61x = 18,573,485,435.32
  5. Step 5: Solve for x
    x = 18,573,485,435.32/201,656.61
  6. Step 6: Final answer
    x = 92,104.52

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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.