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Finding the Fourth Proportional to 178,880.42, 246,849.99 and 98,307.92

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Solution

The fourth proportional to 178,880.42, 246,849.99 and 98,307.92 is: 135,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,880.42 : 246,849.99 = 98,307.92 : x
  2. Step 2: Convert to fraction form
    178,880.42/246,849.99 = 98,307.92/x
  3. Step 3: Cross multiply
    178,880.42x = 246,849.99 × 98,307.92
  4. Step 4: Simplify right side
    178,880.42x = 24,267,309,068.92
  5. Step 5: Solve for x
    x = 24,267,309,068.92/178,880.42
  6. Step 6: Final answer
    x = 135,662.19

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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.