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Finding the Fourth Proportional to 119,266.60, 178,899.90 and 93,022.60

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Solution

The fourth proportional to 119,266.60, 178,899.90 and 93,022.60 is: 139,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,266.60 : 178,899.90 = 93,022.60 : x
  2. Step 2: Convert to fraction form
    119,266.60/178,899.90 = 93,022.60/x
  3. Step 3: Cross multiply
    119,266.60x = 178,899.90 × 93,022.60
  4. Step 4: Simplify right side
    119,266.60x = 16,641,733,837.74
  5. Step 5: Solve for x
    x = 16,641,733,837.74/119,266.60
  6. Step 6: Final answer
    x = 139,533.90

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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.