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Finding the Fourth Proportional to 162,817.20, 244,225.80 and 122,900.40

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Solution

The fourth proportional to 162,817.20, 244,225.80 and 122,900.40 is: 184,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,817.20 : 244,225.80 = 122,900.40 : x
  2. Step 2: Convert to fraction form
    162,817.20/244,225.80 = 122,900.40/x
  3. Step 3: Cross multiply
    162,817.20x = 244,225.80 × 122,900.40
  4. Step 4: Simplify right side
    162,817.20x = 30,015,448,510.32
  5. Step 5: Solve for x
    x = 30,015,448,510.32/162,817.20
  6. Step 6: Final answer
    x = 184,350.60

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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.