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Finding the Fourth Proportional to 104,610, 156,906.10 and 41,412.93

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Solution

The fourth proportional to 104,610, 156,906.10 and 41,412.93 is: 62,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,610 : 156,906.10 = 41,412.93 : x
  2. Step 2: Convert to fraction form
    104,610/156,906.10 = 41,412.93/x
  3. Step 3: Cross multiply
    104,610x = 156,906.10 × 41,412.93
  4. Step 4: Simplify right side
    104,610x = 6,497,941,335.87
  5. Step 5: Solve for x
    x = 6,497,941,335.87/104,610
  6. Step 6: Final answer
    x = 62,115.87

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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.