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Finding the Fourth Proportional to 143,953.70, 215,930.55 and 44,113.10

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Solution

The fourth proportional to 143,953.70, 215,930.55 and 44,113.10 is: 66,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,953.70 : 215,930.55 = 44,113.10 : x
  2. Step 2: Convert to fraction form
    143,953.70/215,930.55 = 44,113.10/x
  3. Step 3: Cross multiply
    143,953.70x = 215,930.55 × 44,113.10
  4. Step 4: Simplify right side
    143,953.70x = 9,525,365,945.21
  5. Step 5: Solve for x
    x = 9,525,365,945.21/143,953.70
  6. Step 6: Final answer
    x = 66,169.65

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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.