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Finding the Fourth Proportional to 355,898.48, 533,737.86 and 103,197.59

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Solution

The fourth proportional to 355,898.48, 533,737.86 and 103,197.59 is: 154,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,898.48 : 533,737.86 = 103,197.59 : x
  2. Step 2: Convert to fraction form
    355,898.48/533,737.86 = 103,197.59/x
  3. Step 3: Cross multiply
    355,898.48x = 533,737.86 × 103,197.59
  4. Step 4: Simplify right side
    355,898.48x = 55,080,460,843.76
  5. Step 5: Solve for x
    x = 55,080,460,843.76/355,898.48
  6. Step 6: Final answer
    x = 154,764.53

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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.