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Finding the Fourth Proportional to 143,113.50, 214,670.25 and 44,617.50

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Solution

The fourth proportional to 143,113.50, 214,670.25 and 44,617.50 is: 66,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,113.50 : 214,670.25 = 44,617.50 : x
  2. Step 2: Convert to fraction form
    143,113.50/214,670.25 = 44,617.50/x
  3. Step 3: Cross multiply
    143,113.50x = 214,670.25 × 44,617.50
  4. Step 4: Simplify right side
    143,113.50x = 9,578,049,879.38
  5. Step 5: Solve for x
    x = 9,578,049,879.38/143,113.50
  6. Step 6: Final answer
    x = 66,926.25

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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.