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Finding the Fourth Proportional to 158,709.64, 238,078.44 and 58,870.90

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Solution

The fourth proportional to 158,709.64, 238,078.44 and 58,870.90 is: 88,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,709.64 : 238,078.44 = 58,870.90 : x
  2. Step 2: Convert to fraction form
    158,709.64/238,078.44 = 58,870.90/x
  3. Step 3: Cross multiply
    158,709.64x = 238,078.44 × 58,870.90
  4. Step 4: Simplify right side
    158,709.64x = 14,015,892,033.40
  5. Step 5: Solve for x
    x = 14,015,892,033.40/158,709.64
  6. Step 6: Final answer
    x = 88,311.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.