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Finding the Fourth Proportional to 195,627.84, 293,550.74 and 105,668.72

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Solution

The fourth proportional to 195,627.84, 293,550.74 and 105,668.72 is: 158,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,627.84 : 293,550.74 = 105,668.72 : x
  2. Step 2: Convert to fraction form
    195,627.84/293,550.74 = 105,668.72/x
  3. Step 3: Cross multiply
    195,627.84x = 293,550.74 × 105,668.72
  4. Step 4: Simplify right side
    195,627.84x = 31,019,130,950.85
  5. Step 5: Solve for x
    x = 31,019,130,950.85/195,627.84
  6. Step 6: Final answer
    x = 158,561.95

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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.