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Finding the Fourth Proportional to 218,758.26, 301,886.58 and 118,156.26

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Solution

The fourth proportional to 218,758.26, 301,886.58 and 118,156.26 is: 163,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,758.26 : 301,886.58 = 118,156.26 : x
  2. Step 2: Convert to fraction form
    218,758.26/301,886.58 = 118,156.26/x
  3. Step 3: Cross multiply
    218,758.26x = 301,886.58 × 118,156.26
  4. Step 4: Simplify right side
    218,758.26x = 35,669,789,236.99
  5. Step 5: Solve for x
    x = 35,669,789,236.99/218,758.26
  6. Step 6: Final answer
    x = 163,055.74

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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.