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Finding the Fourth Proportional to 144,992.74, 217,420.09 and 59,590.25

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Solution

The fourth proportional to 144,992.74, 217,420.09 and 59,590.25 is: 89,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,992.74 : 217,420.09 = 59,590.25 : x
  2. Step 2: Convert to fraction form
    144,992.74/217,420.09 = 59,590.25/x
  3. Step 3: Cross multiply
    144,992.74x = 217,420.09 × 59,590.25
  4. Step 4: Simplify right side
    144,992.74x = 12,956,117,518.12
  5. Step 5: Solve for x
    x = 12,956,117,518.12/144,992.74
  6. Step 6: Final answer
    x = 89,357.01

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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.