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Finding the Fourth Proportional to 149,427.39, 224,018.94 and 69,515.17

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Solution

The fourth proportional to 149,427.39, 224,018.94 and 69,515.17 is: 104,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,427.39 : 224,018.94 = 69,515.17 : x
  2. Step 2: Convert to fraction form
    149,427.39/224,018.94 = 69,515.17/x
  3. Step 3: Cross multiply
    149,427.39x = 224,018.94 × 69,515.17
  4. Step 4: Simplify right side
    149,427.39x = 15,572,714,832.50
  5. Step 5: Solve for x
    x = 15,572,714,832.50/149,427.39
  6. Step 6: Final answer
    x = 104,215.93

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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.