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Finding the Fourth Proportional to 140,879.72, 211,275 and 46,088

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Solution

The fourth proportional to 140,879.72, 211,275 and 46,088 is: 69,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,879.72 : 211,275 = 46,088 : x
  2. Step 2: Convert to fraction form
    140,879.72/211,275 = 46,088/x
  3. Step 3: Cross multiply
    140,879.72x = 211,275 × 46,088
  4. Step 4: Simplify right side
    140,879.72x = 9,737,242,200
  5. Step 5: Solve for x
    x = 9,737,242,200/140,879.72
  6. Step 6: Final answer
    x = 69,117.42

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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.