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Finding the Fourth Proportional to 251,885.58, 347,597.07 and 137,165.58

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Solution

The fourth proportional to 251,885.58, 347,597.07 and 137,165.58 is: 189,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,885.58 : 347,597.07 = 137,165.58 : x
  2. Step 2: Convert to fraction form
    251,885.58/347,597.07 = 137,165.58/x
  3. Step 3: Cross multiply
    251,885.58x = 347,597.07 × 137,165.58
  4. Step 4: Simplify right side
    251,885.58x = 47,678,353,712.85
  5. Step 5: Solve for x
    x = 47,678,353,712.85/251,885.58
  6. Step 6: Final answer
    x = 189,285.76

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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.