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Finding the Fourth Proportional to 60,318, 83,238.66 and 36,440.19

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Solution

The fourth proportional to 60,318, 83,238.66 and 36,440.19 is: 50,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318 : 83,238.66 = 36,440.19 : x
  2. Step 2: Convert to fraction form
    60,318/83,238.66 = 36,440.19/x
  3. Step 3: Cross multiply
    60,318x = 83,238.66 × 36,440.19
  4. Step 4: Simplify right side
    60,318x = 3,033,232,585.75
  5. Step 5: Solve for x
    x = 3,033,232,585.75/60,318
  6. Step 6: Final answer
    x = 50,287.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.