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Finding the Fourth Proportional to 271,830.63, 375,104.31 and 157,116.70

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Solution

The fourth proportional to 271,830.63, 375,104.31 and 157,116.70 is: 216,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,830.63 : 375,104.31 = 157,116.70 : x
  2. Step 2: Convert to fraction form
    271,830.63/375,104.31 = 157,116.70/x
  3. Step 3: Cross multiply
    271,830.63x = 375,104.31 × 157,116.70
  4. Step 4: Simplify right side
    271,830.63x = 58,935,151,342.98
  5. Step 5: Solve for x
    x = 58,935,151,342.98/271,830.63
  6. Step 6: Final answer
    x = 216,808.35

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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.