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Finding the Fourth Proportional to 162,605.70, 243,931.50 and 50,295.75

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Solution

The fourth proportional to 162,605.70, 243,931.50 and 50,295.75 is: 75,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,605.70 : 243,931.50 = 50,295.75 : x
  2. Step 2: Convert to fraction form
    162,605.70/243,931.50 = 50,295.75/x
  3. Step 3: Cross multiply
    162,605.70x = 243,931.50 × 50,295.75
  4. Step 4: Simplify right side
    162,605.70x = 12,268,717,741.13
  5. Step 5: Solve for x
    x = 12,268,717,741.13/162,605.70
  6. Step 6: Final answer
    x = 75,450.72

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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.