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Finding the Fourth Proportional to 103,696.08, 154,473.92 and 100,559.86

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Solution

The fourth proportional to 103,696.08, 154,473.92 and 100,559.86 is: 149,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696.08 : 154,473.92 = 100,559.86 : x
  2. Step 2: Convert to fraction form
    103,696.08/154,473.92 = 100,559.86/x
  3. Step 3: Cross multiply
    103,696.08x = 154,473.92 × 100,559.86
  4. Step 4: Simplify right side
    103,696.08x = 15,533,875,768.85
  5. Step 5: Solve for x
    x = 15,533,875,768.85/103,696.08
  6. Step 6: Final answer
    x = 149,801.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.