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Finding the Fourth Proportional to 162,485.70, 243,679.34 and 44,141.66

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Solution

The fourth proportional to 162,485.70, 243,679.34 and 44,141.66 is: 66,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,485.70 : 243,679.34 = 44,141.66 : x
  2. Step 2: Convert to fraction form
    162,485.70/243,679.34 = 44,141.66/x
  3. Step 3: Cross multiply
    162,485.70x = 243,679.34 × 44,141.66
  4. Step 4: Simplify right side
    162,485.70x = 10,756,410,132.76
  5. Step 5: Solve for x
    x = 10,756,410,132.76/162,485.70
  6. Step 6: Final answer
    x = 66,199.12

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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.