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Finding the Fourth Proportional to 158,855.08, 237,919.74 and 75,807.40

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Solution

The fourth proportional to 158,855.08, 237,919.74 and 75,807.40 is: 113,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,855.08 : 237,919.74 = 75,807.40 : x
  2. Step 2: Convert to fraction form
    158,855.08/237,919.74 = 75,807.40/x
  3. Step 3: Cross multiply
    158,855.08x = 237,919.74 × 75,807.40
  4. Step 4: Simplify right side
    158,855.08x = 18,036,076,898.08
  5. Step 5: Solve for x
    x = 18,036,076,898.08/158,855.08
  6. Step 6: Final answer
    x = 113,537.93

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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.