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Finding the Fourth Proportional to 117,159.27, 175,737.34 and 28,413.64

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Solution

The fourth proportional to 117,159.27, 175,737.34 and 28,413.64 is: 42,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,159.27 : 175,737.34 = 28,413.64 : x
  2. Step 2: Convert to fraction form
    117,159.27/175,737.34 = 28,413.64/x
  3. Step 3: Cross multiply
    117,159.27x = 175,737.34 × 28,413.64
  4. Step 4: Simplify right side
    117,159.27x = 4,993,337,513.32
  5. Step 5: Solve for x
    x = 4,993,337,513.32/117,159.27
  6. Step 6: Final answer
    x = 42,620.08

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1.5x scale

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.