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Finding the Fourth Proportional to 146,151.52, 201,689.08 and 79,083.52

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Solution

The fourth proportional to 146,151.52, 201,689.08 and 79,083.52 is: 109,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,151.52 : 201,689.08 = 79,083.52 : x
  2. Step 2: Convert to fraction form
    146,151.52/201,689.08 = 79,083.52/x
  3. Step 3: Cross multiply
    146,151.52x = 201,689.08 × 79,083.52
  4. Step 4: Simplify right side
    146,151.52x = 15,950,282,391.96
  5. Step 5: Solve for x
    x = 15,950,282,391.96/146,151.52
  6. Step 6: Final answer
    x = 109,135.25

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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.