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Finding the Fourth Proportional to 119,200.36, 178,590.36 and 62,916.48

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Solution

The fourth proportional to 119,200.36, 178,590.36 and 62,916.48 is: 94,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,200.36 : 178,590.36 = 62,916.48 : x
  2. Step 2: Convert to fraction form
    119,200.36/178,590.36 = 62,916.48/x
  3. Step 3: Cross multiply
    119,200.36x = 178,590.36 × 62,916.48
  4. Step 4: Simplify right side
    119,200.36x = 11,236,276,813.13
  5. Step 5: Solve for x
    x = 11,236,276,813.13/119,200.36
  6. Step 6: Final answer
    x = 94,263.78

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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.