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Finding the Fourth Proportional to 147,057.60, 220,413.60 and 62,817.60

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Solution

The fourth proportional to 147,057.60, 220,413.60 and 62,817.60 is: 94,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,057.60 : 220,413.60 = 62,817.60 : x
  2. Step 2: Convert to fraction form
    147,057.60/220,413.60 = 62,817.60/x
  3. Step 3: Cross multiply
    147,057.60x = 220,413.60 × 62,817.60
  4. Step 4: Simplify right side
    147,057.60x = 13,845,853,359.36
  5. Step 5: Solve for x
    x = 13,845,853,359.36/147,057.60
  6. Step 6: Final answer
    x = 94,152.59

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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.