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Finding the Fourth Proportional to 178,429, 246,232.02 and 98,941

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Solution

The fourth proportional to 178,429, 246,232.02 and 98,941 is: 136,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,429 : 246,232.02 = 98,941 : x
  2. Step 2: Convert to fraction form
    178,429/246,232.02 = 98,941/x
  3. Step 3: Cross multiply
    178,429x = 246,232.02 × 98,941
  4. Step 4: Simplify right side
    178,429x = 24,362,442,290.82
  5. Step 5: Solve for x
    x = 24,362,442,290.82/178,429
  6. Step 6: Final answer
    x = 136,538.58

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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.