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Finding the Fourth Proportional to 119,892.33, 179,745.55 and 77,683.23

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Solution

The fourth proportional to 119,892.33, 179,745.55 and 77,683.23 is: 116,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,892.33 : 179,745.55 = 77,683.23 : x
  2. Step 2: Convert to fraction form
    119,892.33/179,745.55 = 77,683.23/x
  3. Step 3: Cross multiply
    119,892.33x = 179,745.55 × 77,683.23
  4. Step 4: Simplify right side
    119,892.33x = 13,963,214,707.92
  5. Step 5: Solve for x
    x = 13,963,214,707.92/119,892.33
  6. Step 6: Final answer
    x = 116,464.62

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1.5x scale

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.