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Finding the Fourth Proportional to 116,203.76, 174,285.57 and 30,815.22

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Solution

The fourth proportional to 116,203.76, 174,285.57 and 30,815.22 is: 46,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,203.76 : 174,285.57 = 30,815.22 : x
  2. Step 2: Convert to fraction form
    116,203.76/174,285.57 = 30,815.22/x
  3. Step 3: Cross multiply
    116,203.76x = 174,285.57 × 30,815.22
  4. Step 4: Simplify right side
    116,203.76x = 5,370,648,182.38
  5. Step 5: Solve for x
    x = 5,370,648,182.38/116,203.76
  6. Step 6: Final answer
    x = 46,217.51

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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.