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Finding the Fourth Proportional to 271,860.84, 375,217.10 and 157,123.65

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Solution

The fourth proportional to 271,860.84, 375,217.10 and 157,123.65 is: 216,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,860.84 : 375,217.10 = 157,123.65 : x
  2. Step 2: Convert to fraction form
    271,860.84/375,217.10 = 157,123.65/x
  3. Step 3: Cross multiply
    271,860.84x = 375,217.10 × 157,123.65
  4. Step 4: Simplify right side
    271,860.84x = 58,955,479,173.52
  5. Step 5: Solve for x
    x = 58,955,479,173.52/271,860.84
  6. Step 6: Final answer
    x = 216,859.03

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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.