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Finding the Fourth Proportional to 157,603.22, 217,492.49 and 101,014.59

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Solution

The fourth proportional to 157,603.22, 217,492.49 and 101,014.59 is: 139,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,603.22 : 217,492.49 = 101,014.59 : x
  2. Step 2: Convert to fraction form
    157,603.22/217,492.49 = 101,014.59/x
  3. Step 3: Cross multiply
    157,603.22x = 217,492.49 × 101,014.59
  4. Step 4: Simplify right side
    157,603.22x = 21,969,915,773.56
  5. Step 5: Solve for x
    x = 21,969,915,773.56/157,603.22
  6. Step 6: Final answer
    x = 139,400.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.