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Finding the Fourth Proportional to 238,263.95, 357,290.98 and 111,940.11

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Solution

The fourth proportional to 238,263.95, 357,290.98 and 111,940.11 is: 167,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,263.95 : 357,290.98 = 111,940.11 : x
  2. Step 2: Convert to fraction form
    238,263.95/357,290.98 = 111,940.11/x
  3. Step 3: Cross multiply
    238,263.95x = 357,290.98 × 111,940.11
  4. Step 4: Simplify right side
    238,263.95x = 39,995,191,323.36
  5. Step 5: Solve for x
    x = 39,995,191,323.36/238,263.95
  6. Step 6: Final answer
    x = 167,860.86

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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.