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Finding the Fourth Proportional to 218,954.54, 302,157.14 and 118,352.54

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Solution

The fourth proportional to 218,954.54, 302,157.14 and 118,352.54 is: 163,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,954.54 : 302,157.14 = 118,352.54 : x
  2. Step 2: Convert to fraction form
    218,954.54/302,157.14 = 118,352.54/x
  3. Step 3: Cross multiply
    218,954.54x = 302,157.14 × 118,352.54
  4. Step 4: Simplify right side
    218,954.54x = 35,761,065,161.77
  5. Step 5: Solve for x
    x = 35,761,065,161.77/218,954.54
  6. Step 6: Final answer
    x = 163,326.44

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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.