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Finding the Fourth Proportional to 202,567.52, 279,528.80 and 111,922.50

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Solution

The fourth proportional to 202,567.52, 279,528.80 and 111,922.50 is: 154,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,567.52 : 279,528.80 = 111,922.50 : x
  2. Step 2: Convert to fraction form
    202,567.52/279,528.80 = 111,922.50/x
  3. Step 3: Cross multiply
    202,567.52x = 279,528.80 × 111,922.50
  4. Step 4: Simplify right side
    202,567.52x = 31,285,562,118
  5. Step 5: Solve for x
    x = 31,285,562,118/202,567.52
  6. Step 6: Final answer
    x = 154,445.11

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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.