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Finding the Fourth Proportional to 86,674.46, 119,608.46 and 48,434.32

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Solution

The fourth proportional to 86,674.46, 119,608.46 and 48,434.32 is: 66,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,674.46 : 119,608.46 = 48,434.32 : x
  2. Step 2: Convert to fraction form
    86,674.46/119,608.46 = 48,434.32/x
  3. Step 3: Cross multiply
    86,674.46x = 119,608.46 × 48,434.32
  4. Step 4: Simplify right side
    86,674.46x = 5,793,153,885.15
  5. Step 5: Solve for x
    x = 5,793,153,885.15/86,674.46
  6. Step 6: Final answer
    x = 66,838.08

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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.