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Finding the Fourth Proportional to 134,436.54, 201,654.84 and 40,942.32

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Solution

The fourth proportional to 134,436.54, 201,654.84 and 40,942.32 is: 61,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.54 : 201,654.84 = 40,942.32 : x
  2. Step 2: Convert to fraction form
    134,436.54/201,654.84 = 40,942.32/x
  3. Step 3: Cross multiply
    134,436.54x = 201,654.84 × 40,942.32
  4. Step 4: Simplify right side
    134,436.54x = 8,256,216,988.83
  5. Step 5: Solve for x
    x = 8,256,216,988.83/134,436.54
  6. Step 6: Final answer
    x = 61,413.49

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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.