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Finding the Fourth Proportional to 316,367.07, 474,600.09 and 103,085.47

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Solution

The fourth proportional to 316,367.07, 474,600.09 and 103,085.47 is: 154,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,367.07 : 474,600.09 = 103,085.47 : x
  2. Step 2: Convert to fraction form
    316,367.07/474,600.09 = 103,085.47/x
  3. Step 3: Cross multiply
    316,367.07x = 474,600.09 × 103,085.47
  4. Step 4: Simplify right side
    316,367.07x = 48,924,373,339.69
  5. Step 5: Solve for x
    x = 48,924,373,339.69/316,367.07
  6. Step 6: Final answer
    x = 154,644.33

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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.