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Finding the Fourth Proportional to 271,356.72, 374,423.96 and 163,854.72

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Solution

The fourth proportional to 271,356.72, 374,423.96 and 163,854.72 is: 226,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,356.72 : 374,423.96 = 163,854.72 : x
  2. Step 2: Convert to fraction form
    271,356.72/374,423.96 = 163,854.72/x
  3. Step 3: Cross multiply
    271,356.72x = 374,423.96 × 163,854.72
  4. Step 4: Simplify right side
    271,356.72x = 61,351,133,127.09
  5. Step 5: Solve for x
    x = 61,351,133,127.09/271,356.72
  6. Step 6: Final answer
    x = 226,090.34

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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.