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Finding the Fourth Proportional to 341,089.11, 470,706.66 and 188,133.98

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Solution

The fourth proportional to 341,089.11, 470,706.66 and 188,133.98 is: 259,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,089.11 : 470,706.66 = 188,133.98 : x
  2. Step 2: Convert to fraction form
    341,089.11/470,706.66 = 188,133.98/x
  3. Step 3: Cross multiply
    341,089.11x = 470,706.66 × 188,133.98
  4. Step 4: Simplify right side
    341,089.11x = 88,555,915,004.77
  5. Step 5: Solve for x
    x = 88,555,915,004.77/341,089.11
  6. Step 6: Final answer
    x = 259,626.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.