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Finding the Fourth Proportional to 230,535, 318,138.48 and 124,551

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Solution

The fourth proportional to 230,535, 318,138.48 and 124,551 is: 171,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,535 : 318,138.48 = 124,551 : x
  2. Step 2: Convert to fraction form
    230,535/318,138.48 = 124,551/x
  3. Step 3: Cross multiply
    230,535x = 318,138.48 × 124,551
  4. Step 4: Simplify right side
    230,535x = 39,624,465,822.48
  5. Step 5: Solve for x
    x = 39,624,465,822.48/230,535
  6. Step 6: Final answer
    x = 171,880.48

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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.