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Finding the Fourth Proportional to 353,143.55, 529,658.57 and 96,916.25

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Solution

The fourth proportional to 353,143.55, 529,658.57 and 96,916.25 is: 145,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,143.55 : 529,658.57 = 96,916.25 : x
  2. Step 2: Convert to fraction form
    353,143.55/529,658.57 = 96,916.25/x
  3. Step 3: Cross multiply
    353,143.55x = 529,658.57 × 96,916.25
  4. Step 4: Simplify right side
    353,143.55x = 51,332,522,384.76
  5. Step 5: Solve for x
    x = 51,332,522,384.76/353,143.55
  6. Step 6: Final answer
    x = 145,358.80

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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.