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Finding the Fourth Proportional to 215,193.98, 296,955.91 and 118,396.01

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Solution

The fourth proportional to 215,193.98, 296,955.91 and 118,396.01 is: 163,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,193.98 : 296,955.91 = 118,396.01 : x
  2. Step 2: Convert to fraction form
    215,193.98/296,955.91 = 118,396.01/x
  3. Step 3: Cross multiply
    215,193.98x = 296,955.91 × 118,396.01
  4. Step 4: Simplify right side
    215,193.98x = 35,158,394,889.92
  5. Step 5: Solve for x
    x = 35,158,394,889.92/215,193.98
  6. Step 6: Final answer
    x = 163,380.01

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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.