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Finding the Fourth Proportional to 124,570.60, 186,798.30 and 54,413.80

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Solution

The fourth proportional to 124,570.60, 186,798.30 and 54,413.80 is: 81,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,570.60 : 186,798.30 = 54,413.80 : x
  2. Step 2: Convert to fraction form
    124,570.60/186,798.30 = 54,413.80/x
  3. Step 3: Cross multiply
    124,570.60x = 186,798.30 × 54,413.80
  4. Step 4: Simplify right side
    124,570.60x = 10,164,405,336.54
  5. Step 5: Solve for x
    x = 10,164,405,336.54/124,570.60
  6. Step 6: Final answer
    x = 81,595.54

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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.