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Finding the Fourth Proportional to 114,787.16, 172,153.08 and 35,901.42

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Solution

The fourth proportional to 114,787.16, 172,153.08 and 35,901.42 is: 53,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,787.16 : 172,153.08 = 35,901.42 : x
  2. Step 2: Convert to fraction form
    114,787.16/172,153.08 = 35,901.42/x
  3. Step 3: Cross multiply
    114,787.16x = 172,153.08 × 35,901.42
  4. Step 4: Simplify right side
    114,787.16x = 6,180,540,029.37
  5. Step 5: Solve for x
    x = 6,180,540,029.37/114,787.16
  6. Step 6: Final answer
    x = 53,843.48

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1.5x scale

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.