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Finding the Fourth Proportional to 86,596.84, 119,501.22 and 48,874.60

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Solution

The fourth proportional to 86,596.84, 119,501.22 and 48,874.60 is: 67,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,596.84 : 119,501.22 = 48,874.60 : x
  2. Step 2: Convert to fraction form
    86,596.84/119,501.22 = 48,874.60/x
  3. Step 3: Cross multiply
    86,596.84x = 119,501.22 × 48,874.60
  4. Step 4: Simplify right side
    86,596.84x = 5,840,574,327.01
  5. Step 5: Solve for x
    x = 5,840,574,327.01/86,596.84
  6. Step 6: Final answer
    x = 67,445.58

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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.