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Finding the Fourth Proportional to 218,001.45, 301,121.01 and 166,702.63

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Solution

The fourth proportional to 218,001.45, 301,121.01 and 166,702.63 is: 230,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,001.45 : 301,121.01 = 166,702.63 : x
  2. Step 2: Convert to fraction form
    218,001.45/301,121.01 = 166,702.63/x
  3. Step 3: Cross multiply
    218,001.45x = 301,121.01 × 166,702.63
  4. Step 4: Simplify right side
    218,001.45x = 50,197,664,315.26
  5. Step 5: Solve for x
    x = 50,197,664,315.26/218,001.45
  6. Step 6: Final answer
    x = 230,262.98

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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.