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Finding the Fourth Proportional to 331,070.90, 496,610.90 and 94,413.60

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Solution

The fourth proportional to 331,070.90, 496,610.90 and 94,413.60 is: 141,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,070.90 : 496,610.90 = 94,413.60 : x
  2. Step 2: Convert to fraction form
    331,070.90/496,610.90 = 94,413.60/x
  3. Step 3: Cross multiply
    331,070.90x = 496,610.90 × 94,413.60
  4. Step 4: Simplify right side
    331,070.90x = 46,886,822,396.17
  5. Step 5: Solve for x
    x = 46,886,822,396.17/331,070.90
  6. Step 6: Final answer
    x = 141,621.70

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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.