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Finding the Fourth Proportional to 172,949.58, 238,643.01 and 97,483.50

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Solution

The fourth proportional to 172,949.58, 238,643.01 and 97,483.50 is: 134,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,949.58 : 238,643.01 = 97,483.50 : x
  2. Step 2: Convert to fraction form
    172,949.58/238,643.01 = 97,483.50/x
  3. Step 3: Cross multiply
    172,949.58x = 238,643.01 × 97,483.50
  4. Step 4: Simplify right side
    172,949.58x = 23,263,755,865.34
  5. Step 5: Solve for x
    x = 23,263,755,865.34/172,949.58
  6. Step 6: Final answer
    x = 134,511.78

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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.