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Finding the Fourth Proportional to 271,843.18, 375,192.46 and 157,106.10

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Solution

The fourth proportional to 271,843.18, 375,192.46 and 157,106.10 is: 216,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,843.18 : 375,192.46 = 157,106.10 : x
  2. Step 2: Convert to fraction form
    271,843.18/375,192.46 = 157,106.10/x
  3. Step 3: Cross multiply
    271,843.18x = 375,192.46 × 157,106.10
  4. Step 4: Simplify right side
    271,843.18x = 58,945,024,140.01
  5. Step 5: Solve for x
    x = 58,945,024,140.01/271,843.18
  6. Step 6: Final answer
    x = 216,834.66

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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.