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Finding the Fourth Proportional to 122,213.40, 183,060.90 and 101,477.40

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Solution

The fourth proportional to 122,213.40, 183,060.90 and 101,477.40 is: 152,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,213.40 : 183,060.90 = 101,477.40 : x
  2. Step 2: Convert to fraction form
    122,213.40/183,060.90 = 101,477.40/x
  3. Step 3: Cross multiply
    122,213.40x = 183,060.90 × 101,477.40
  4. Step 4: Simplify right side
    122,213.40x = 18,576,544,173.66
  5. Step 5: Solve for x
    x = 18,576,544,173.66/122,213.40
  6. Step 6: Final answer
    x = 152,000.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.