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Finding the Fourth Proportional to 86,883.77, 119,885.70 and 48,644.92

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Solution

The fourth proportional to 86,883.77, 119,885.70 and 48,644.92 is: 67,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,883.77 : 119,885.70 = 48,644.92 : x
  2. Step 2: Convert to fraction form
    86,883.77/119,885.70 = 48,644.92/x
  3. Step 3: Cross multiply
    86,883.77x = 119,885.70 × 48,644.92
  4. Step 4: Simplify right side
    86,883.77x = 5,831,830,617.92
  5. Step 5: Solve for x
    x = 5,831,830,617.92/86,883.77
  6. Step 6: Final answer
    x = 67,122.21

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1.5x scale

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.