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Finding the Fourth Proportional to 103,271.76, 154,923.88 and 44,107.76

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Solution

The fourth proportional to 103,271.76, 154,923.88 and 44,107.76 is: 66,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.76 : 154,923.88 = 44,107.76 : x
  2. Step 2: Convert to fraction form
    103,271.76/154,923.88 = 44,107.76/x
  3. Step 3: Cross multiply
    103,271.76x = 154,923.88 × 44,107.76
  4. Step 4: Simplify right side
    103,271.76x = 6,833,345,317.31
  5. Step 5: Solve for x
    x = 6,833,345,317.31/103,271.76
  6. Step 6: Final answer
    x = 66,168.58

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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.