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Finding the Fourth Proportional to 173,887.72, 239,980.25 and 97,405.58

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Solution

The fourth proportional to 173,887.72, 239,980.25 and 97,405.58 is: 134,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,887.72 : 239,980.25 = 97,405.58 : x
  2. Step 2: Convert to fraction form
    173,887.72/239,980.25 = 97,405.58/x
  3. Step 3: Cross multiply
    173,887.72x = 239,980.25 × 97,405.58
  4. Step 4: Simplify right side
    173,887.72x = 23,375,416,283.26
  5. Step 5: Solve for x
    x = 23,375,416,283.26/173,887.72
  6. Step 6: Final answer
    x = 134,428.22

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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.