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Finding the Fourth Proportional to 143,574.11, 215,409.11 and 63,601.20

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Solution

The fourth proportional to 143,574.11, 215,409.11 and 63,601.20 is: 95,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,574.11 : 215,409.11 = 63,601.20 : x
  2. Step 2: Convert to fraction form
    143,574.11/215,409.11 = 63,601.20/x
  3. Step 3: Cross multiply
    143,574.11x = 215,409.11 × 63,601.20
  4. Step 4: Simplify right side
    143,574.11x = 13,700,277,568.93
  5. Step 5: Solve for x
    x = 13,700,277,568.93/143,574.11
  6. Step 6: Final answer
    x = 95,423.04

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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.