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Finding the Fourth Proportional to 86,573.34, 119,472.87 and 48,848.46

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Solution

The fourth proportional to 86,573.34, 119,472.87 and 48,848.46 is: 67,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,573.34 : 119,472.87 = 48,848.46 : x
  2. Step 2: Convert to fraction form
    86,573.34/119,472.87 = 48,848.46/x
  3. Step 3: Cross multiply
    86,573.34x = 119,472.87 × 48,848.46
  4. Step 4: Simplify right side
    86,573.34x = 5,836,065,711.28
  5. Step 5: Solve for x
    x = 5,836,065,711.28/86,573.34
  6. Step 6: Final answer
    x = 67,411.81

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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.