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Finding the Fourth Proportional to 271,845.50, 375,146.80 and 152,613.50

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Solution

The fourth proportional to 271,845.50, 375,146.80 and 152,613.50 is: 210,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,845.50 : 375,146.80 = 152,613.50 : x
  2. Step 2: Convert to fraction form
    271,845.50/375,146.80 = 152,613.50/x
  3. Step 3: Cross multiply
    271,845.50x = 375,146.80 × 152,613.50
  4. Step 4: Simplify right side
    271,845.50x = 57,252,466,161.80
  5. Step 5: Solve for x
    x = 57,252,466,161.80/271,845.50
  6. Step 6: Final answer
    x = 210,606.64

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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.