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Finding the Fourth Proportional to 183,413.60, 275,120.40 and 126,332.90

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Solution

The fourth proportional to 183,413.60, 275,120.40 and 126,332.90 is: 189,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,413.60 : 275,120.40 = 126,332.90 : x
  2. Step 2: Convert to fraction form
    183,413.60/275,120.40 = 126,332.90/x
  3. Step 3: Cross multiply
    183,413.60x = 275,120.40 × 126,332.90
  4. Step 4: Simplify right side
    183,413.60x = 34,756,757,981.16
  5. Step 5: Solve for x
    x = 34,756,757,981.16/183,413.60
  6. Step 6: Final answer
    x = 189,499.35

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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.