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Finding the Fourth Proportional to 143,232.54, 214,871.09 and 43,368.95

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Solution

The fourth proportional to 143,232.54, 214,871.09 and 43,368.95 is: 65,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,232.54 : 214,871.09 = 43,368.95 : x
  2. Step 2: Convert to fraction form
    143,232.54/214,871.09 = 43,368.95/x
  3. Step 3: Cross multiply
    143,232.54x = 214,871.09 × 43,368.95
  4. Step 4: Simplify right side
    143,232.54x = 9,318,733,341.81
  5. Step 5: Solve for x
    x = 9,318,733,341.81/143,232.54
  6. Step 6: Final answer
    x = 65,060.17

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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.