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Finding the Fourth Proportional to 178,174.73, 245,881.19 and 97,605.15

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Solution

The fourth proportional to 178,174.73, 245,881.19 and 97,605.15 is: 134,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,174.73 : 245,881.19 = 97,605.15 : x
  2. Step 2: Convert to fraction form
    178,174.73/245,881.19 = 97,605.15/x
  3. Step 3: Cross multiply
    178,174.73x = 245,881.19 × 97,605.15
  4. Step 4: Simplify right side
    178,174.73x = 23,999,269,944.10
  5. Step 5: Solve for x
    x = 23,999,269,944.10/178,174.73
  6. Step 6: Final answer
    x = 134,695.14

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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.