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Finding the Fourth Proportional to 163,422.84, 244,907.46 and 74,458.92

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Solution

The fourth proportional to 163,422.84, 244,907.46 and 74,458.92 is: 111,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,422.84 : 244,907.46 = 74,458.92 : x
  2. Step 2: Convert to fraction form
    163,422.84/244,907.46 = 74,458.92/x
  3. Step 3: Cross multiply
    163,422.84x = 244,907.46 × 74,458.92
  4. Step 4: Simplify right side
    163,422.84x = 18,235,544,971.54
  5. Step 5: Solve for x
    x = 18,235,544,971.54/163,422.84
  6. Step 6: Final answer
    x = 111,585.05

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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.