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Finding the Fourth Proportional to 143,340.49, 215,009.52 and 36,724.24

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Solution

The fourth proportional to 143,340.49, 215,009.52 and 36,724.24 is: 55,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,340.49 : 215,009.52 = 36,724.24 : x
  2. Step 2: Convert to fraction form
    143,340.49/215,009.52 = 36,724.24/x
  3. Step 3: Cross multiply
    143,340.49x = 215,009.52 × 36,724.24
  4. Step 4: Simplify right side
    143,340.49x = 7,896,061,214.76
  5. Step 5: Solve for x
    x = 7,896,061,214.76/143,340.49
  6. Step 6: Final answer
    x = 55,086.05

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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.