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Finding the Fourth Proportional to 118,336.84, 163,311.48 and 64,626.84

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Solution

The fourth proportional to 118,336.84, 163,311.48 and 64,626.84 is: 89,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,336.84 : 163,311.48 = 64,626.84 : x
  2. Step 2: Convert to fraction form
    118,336.84/163,311.48 = 64,626.84/x
  3. Step 3: Cross multiply
    118,336.84x = 163,311.48 × 64,626.84
  4. Step 4: Simplify right side
    118,336.84x = 10,554,304,888.12
  5. Step 5: Solve for x
    x = 10,554,304,888.12/118,336.84
  6. Step 6: Final answer
    x = 89,188.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.