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Finding the Fourth Proportional to 113,475.52, 170,224.92 and 43,413.76

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Solution

The fourth proportional to 113,475.52, 170,224.92 and 43,413.76 is: 65,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,475.52 : 170,224.92 = 43,413.76 : x
  2. Step 2: Convert to fraction form
    113,475.52/170,224.92 = 43,413.76/x
  3. Step 3: Cross multiply
    113,475.52x = 170,224.92 × 43,413.76
  4. Step 4: Simplify right side
    113,475.52x = 7,390,103,822.90
  5. Step 5: Solve for x
    x = 7,390,103,822.90/113,475.52
  6. Step 6: Final answer
    x = 65,125.09

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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.