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Finding the Fourth Proportional to 230,969.43, 346,466.43 and 73,210.19

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Solution

The fourth proportional to 230,969.43, 346,466.43 and 73,210.19 is: 109,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,969.43 : 346,466.43 = 73,210.19 : x
  2. Step 2: Convert to fraction form
    230,969.43/346,466.43 = 73,210.19/x
  3. Step 3: Cross multiply
    230,969.43x = 346,466.43 × 73,210.19
  4. Step 4: Simplify right side
    230,969.43x = 25,364,871,436.59
  5. Step 5: Solve for x
    x = 25,364,871,436.59/230,969.43
  6. Step 6: Final answer
    x = 109,819.17

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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.