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Finding the Fourth Proportional to 149,619, 224,477.10 and 104,686.68

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Solution

The fourth proportional to 149,619, 224,477.10 and 104,686.68 is: 157,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619 : 224,477.10 = 104,686.68 : x
  2. Step 2: Convert to fraction form
    149,619/224,477.10 = 104,686.68/x
  3. Step 3: Cross multiply
    149,619x = 224,477.10 × 104,686.68
  4. Step 4: Simplify right side
    149,619x = 23,499,762,335.03
  5. Step 5: Solve for x
    x = 23,499,762,335.03/149,619
  6. Step 6: Final answer
    x = 157,064.02

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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.