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Finding the Fourth Proportional to 188,797.56, 260,531.01 and 103,898.22

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Solution

The fourth proportional to 188,797.56, 260,531.01 and 103,898.22 is: 143,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,797.56 : 260,531.01 = 103,898.22 : x
  2. Step 2: Convert to fraction form
    188,797.56/260,531.01 = 103,898.22/x
  3. Step 3: Cross multiply
    188,797.56x = 260,531.01 × 103,898.22
  4. Step 4: Simplify right side
    188,797.56x = 27,068,708,193.80
  5. Step 5: Solve for x
    x = 27,068,708,193.80/188,797.56
  6. Step 6: Final answer
    x = 143,374.25

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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.