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Finding the Fourth Proportional to 159,235.61, 238,894.73 and 46,919.80

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Solution

The fourth proportional to 159,235.61, 238,894.73 and 46,919.80 is: 70,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,235.61 : 238,894.73 = 46,919.80 : x
  2. Step 2: Convert to fraction form
    159,235.61/238,894.73 = 46,919.80/x
  3. Step 3: Cross multiply
    159,235.61x = 238,894.73 × 46,919.80
  4. Step 4: Simplify right side
    159,235.61x = 11,208,892,952.65
  5. Step 5: Solve for x
    x = 11,208,892,952.65/159,235.61
  6. Step 6: Final answer
    x = 70,391.87

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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.