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Finding the Fourth Proportional to 178,159.11, 245,863.11 and 97,586.64

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Solution

The fourth proportional to 178,159.11, 245,863.11 and 97,586.64 is: 134,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,159.11 : 245,863.11 = 97,586.64 : x
  2. Step 2: Convert to fraction form
    178,159.11/245,863.11 = 97,586.64/x
  3. Step 3: Cross multiply
    178,159.11x = 245,863.11 × 97,586.64
  4. Step 4: Simplify right side
    178,159.11x = 23,992,954,804.85
  5. Step 5: Solve for x
    x = 23,992,954,804.85/178,159.11
  6. Step 6: Final answer
    x = 134,671.50

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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.