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Finding the Fourth Proportional to 251,537, 347,123.38 and 136,816.76

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Solution

The fourth proportional to 251,537, 347,123.38 and 136,816.76 is: 188,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,537 : 347,123.38 = 136,816.76 : x
  2. Step 2: Convert to fraction form
    251,537/347,123.38 = 136,816.76/x
  3. Step 3: Cross multiply
    251,537x = 347,123.38 × 136,816.76
  4. Step 4: Simplify right side
    251,537x = 47,492,296,171.85
  5. Step 5: Solve for x
    x = 47,492,296,171.85/251,537
  6. Step 6: Final answer
    x = 188,808.39

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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.