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Finding the Fourth Proportional to 88,579, 122,239.02 and 48,835

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Solution

The fourth proportional to 88,579, 122,239.02 and 48,835 is: 67,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579 : 122,239.02 = 48,835 : x
  2. Step 2: Convert to fraction form
    88,579/122,239.02 = 48,835/x
  3. Step 3: Cross multiply
    88,579x = 122,239.02 × 48,835
  4. Step 4: Simplify right side
    88,579x = 5,969,542,541.70
  5. Step 5: Solve for x
    x = 5,969,542,541.70/88,579
  6. Step 6: Final answer
    x = 67,392.30

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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.