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Finding the Fourth Proportional to 119,409.52, 178,946.88 and 94,339.84

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Solution

The fourth proportional to 119,409.52, 178,946.88 and 94,339.84 is: 141,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,409.52 : 178,946.88 = 94,339.84 : x
  2. Step 2: Convert to fraction form
    119,409.52/178,946.88 = 94,339.84/x
  3. Step 3: Cross multiply
    119,409.52x = 178,946.88 × 94,339.84
  4. Step 4: Simplify right side
    119,409.52x = 16,881,820,027.70
  5. Step 5: Solve for x
    x = 16,881,820,027.70/119,409.52
  6. Step 6: Final answer
    x = 141,377.51

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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.