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Finding the Fourth Proportional to 171,099.07, 256,648.60 and 46,440.07

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Solution

The fourth proportional to 171,099.07, 256,648.60 and 46,440.07 is: 69,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,099.07 : 256,648.60 = 46,440.07 : x
  2. Step 2: Convert to fraction form
    171,099.07/256,648.60 = 46,440.07/x
  3. Step 3: Cross multiply
    171,099.07x = 256,648.60 × 46,440.07
  4. Step 4: Simplify right side
    171,099.07x = 11,918,777,666.16
  5. Step 5: Solve for x
    x = 11,918,777,666.16/171,099.07
  6. Step 6: Final answer
    x = 69,660.10

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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.