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Finding the Fourth Proportional to 355,181.79, 532,768.63 and 102,453.94

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Solution

The fourth proportional to 355,181.79, 532,768.63 and 102,453.94 is: 153,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,181.79 : 532,768.63 = 102,453.94 : x
  2. Step 2: Convert to fraction form
    355,181.79/532,768.63 = 102,453.94/x
  3. Step 3: Cross multiply
    355,181.79x = 532,768.63 × 102,453.94
  4. Step 4: Simplify right side
    355,181.79x = 54,584,243,663.85
  5. Step 5: Solve for x
    x = 54,584,243,663.85/355,181.79
  6. Step 6: Final answer
    x = 153,679.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.