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Finding the Fourth Proportional to 73,104.12, 100,888.74 and 40,845.06

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Solution

The fourth proportional to 73,104.12, 100,888.74 and 40,845.06 is: 56,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,104.12 : 100,888.74 = 40,845.06 : x
  2. Step 2: Convert to fraction form
    73,104.12/100,888.74 = 40,845.06/x
  3. Step 3: Cross multiply
    73,104.12x = 100,888.74 × 40,845.06
  4. Step 4: Simplify right side
    73,104.12x = 4,120,806,638.62
  5. Step 5: Solve for x
    x = 4,120,806,638.62/73,104.12
  6. Step 6: Final answer
    x = 56,369.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.