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Finding the Fourth Proportional to 203,569.55, 280,920.52 and 117,525.63

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Solution

The fourth proportional to 203,569.55, 280,920.52 and 117,525.63 is: 162,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,569.55 : 280,920.52 = 117,525.63 : x
  2. Step 2: Convert to fraction form
    203,569.55/280,920.52 = 117,525.63/x
  3. Step 3: Cross multiply
    203,569.55x = 280,920.52 × 117,525.63
  4. Step 4: Simplify right side
    203,569.55x = 33,015,362,293.29
  5. Step 5: Solve for x
    x = 33,015,362,293.29/203,569.55
  6. Step 6: Final answer
    x = 162,182.22

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1.5x scale

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.