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Finding the Fourth Proportional to 119,252.70, 178,927.92 and 63,078.12

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Solution

The fourth proportional to 119,252.70, 178,927.92 and 63,078.12 is: 94,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.70 : 178,927.92 = 63,078.12 : x
  2. Step 2: Convert to fraction form
    119,252.70/178,927.92 = 63,078.12/x
  3. Step 3: Cross multiply
    119,252.70x = 178,927.92 × 63,078.12
  4. Step 4: Simplify right side
    119,252.70x = 11,286,436,809.11
  5. Step 5: Solve for x
    x = 11,286,436,809.11/119,252.70
  6. Step 6: Final answer
    x = 94,643.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.