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Finding the Fourth Proportional to 223,969.23, 336,001.10 and 74,200.95

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Solution

The fourth proportional to 223,969.23, 336,001.10 and 74,200.95 is: 111,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,969.23 : 336,001.10 = 74,200.95 : x
  2. Step 2: Convert to fraction form
    223,969.23/336,001.10 = 74,200.95/x
  3. Step 3: Cross multiply
    223,969.23x = 336,001.10 × 74,200.95
  4. Step 4: Simplify right side
    223,969.23x = 24,931,600,450.04
  5. Step 5: Solve for x
    x = 24,931,600,450.04/223,969.23
  6. Step 6: Final answer
    x = 111,317.08

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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.