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Finding the Fourth Proportional to 201,946.98, 278,675.46 and 111,302.67

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Solution

The fourth proportional to 201,946.98, 278,675.46 and 111,302.67 is: 153,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,946.98 : 278,675.46 = 111,302.67 : x
  2. Step 2: Convert to fraction form
    201,946.98/278,675.46 = 111,302.67/x
  3. Step 3: Cross multiply
    201,946.98x = 278,675.46 × 111,302.67
  4. Step 4: Simplify right side
    201,946.98x = 31,017,322,761.48
  5. Step 5: Solve for x
    x = 31,017,322,761.48/201,946.98
  6. Step 6: Final answer
    x = 153,591.42

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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.