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Finding the Fourth Proportional to 143,464.59, 215,195.13 and 64,523.07

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Solution

The fourth proportional to 143,464.59, 215,195.13 and 64,523.07 is: 96,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,464.59 : 215,195.13 = 64,523.07 : x
  2. Step 2: Convert to fraction form
    143,464.59/215,195.13 = 64,523.07/x
  3. Step 3: Cross multiply
    143,464.59x = 215,195.13 × 64,523.07
  4. Step 4: Simplify right side
    143,464.59x = 13,885,050,436.65
  5. Step 5: Solve for x
    x = 13,885,050,436.65/143,464.59
  6. Step 6: Final answer
    x = 96,783.82

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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.