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Finding the Fourth Proportional to 355,354.53, 532,953.50 and 102,580.11

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Solution

The fourth proportional to 355,354.53, 532,953.50 and 102,580.11 is: 153,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,354.53 : 532,953.50 = 102,580.11 : x
  2. Step 2: Convert to fraction form
    355,354.53/532,953.50 = 102,580.11/x
  3. Step 3: Cross multiply
    355,354.53x = 532,953.50 × 102,580.11
  4. Step 4: Simplify right side
    355,354.53x = 54,670,428,141.98
  5. Step 5: Solve for x
    x = 54,670,428,141.98/355,354.53
  6. Step 6: Final answer
    x = 153,847.56

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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.