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Finding the Fourth Proportional to 73,297.91, 109,957.35 and 23,378.57

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Solution

The fourth proportional to 73,297.91, 109,957.35 and 23,378.57 is: 35,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,297.91 : 109,957.35 = 23,378.57 : x
  2. Step 2: Convert to fraction form
    73,297.91/109,957.35 = 23,378.57/x
  3. Step 3: Cross multiply
    73,297.91x = 109,957.35 × 23,378.57
  4. Step 4: Simplify right side
    73,297.91x = 2,570,646,041.22
  5. Step 5: Solve for x
    x = 2,570,646,041.22/73,297.91
  6. Step 6: Final answer
    x = 35,071.20

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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.