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Finding the Fourth Proportional to 223,288.95, 335,322.23 and 118,312.95

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Solution

The fourth proportional to 223,288.95, 335,322.23 and 118,312.95 is: 177,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,288.95 : 335,322.23 = 118,312.95 : x
  2. Step 2: Convert to fraction form
    223,288.95/335,322.23 = 118,312.95/x
  3. Step 3: Cross multiply
    223,288.95x = 335,322.23 × 118,312.95
  4. Step 4: Simplify right side
    223,288.95x = 39,672,961,640.31
  5. Step 5: Solve for x
    x = 39,672,961,640.31/223,288.95
  6. Step 6: Final answer
    x = 177,675.44

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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.