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Finding the Fourth Proportional to 119,091.60, 178,653.30 and 62,934.06

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Solution

The fourth proportional to 119,091.60, 178,653.30 and 62,934.06 is: 94,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,091.60 : 178,653.30 = 62,934.06 : x
  2. Step 2: Convert to fraction form
    119,091.60/178,653.30 = 62,934.06/x
  3. Step 3: Cross multiply
    119,091.60x = 178,653.30 × 62,934.06
  4. Step 4: Simplify right side
    119,091.60x = 11,243,377,501.40
  5. Step 5: Solve for x
    x = 11,243,377,501.40/119,091.60
  6. Step 6: Final answer
    x = 94,409.49

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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.