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Finding the Fourth Proportional to 224,311.32, 336,409.88 and 66,503.07

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Solution

The fourth proportional to 224,311.32, 336,409.88 and 66,503.07 is: 99,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,311.32 : 336,409.88 = 66,503.07 : x
  2. Step 2: Convert to fraction form
    224,311.32/336,409.88 = 66,503.07/x
  3. Step 3: Cross multiply
    224,311.32x = 336,409.88 × 66,503.07
  4. Step 4: Simplify right side
    224,311.32x = 22,372,289,465.82
  5. Step 5: Solve for x
    x = 22,372,289,465.82/224,311.32
  6. Step 6: Final answer
    x = 99,737.67

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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.