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Finding the Fourth Proportional to 301,554.94, 416,153.04 and 163,739.67

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Solution

The fourth proportional to 301,554.94, 416,153.04 and 163,739.67 is: 225,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,554.94 : 416,153.04 = 163,739.67 : x
  2. Step 2: Convert to fraction form
    301,554.94/416,153.04 = 163,739.67/x
  3. Step 3: Cross multiply
    301,554.94x = 416,153.04 × 163,739.67
  4. Step 4: Simplify right side
    301,554.94x = 68,140,761,439.10
  5. Step 5: Solve for x
    x = 68,140,761,439.10/301,554.94
  6. Step 6: Final answer
    x = 225,964.67

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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.