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Finding the Fourth Proportional to 188,570.68, 260,220.46 and 103,682.68

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Solution

The fourth proportional to 188,570.68, 260,220.46 and 103,682.68 is: 143,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,570.68 : 260,220.46 = 103,682.68 : x
  2. Step 2: Convert to fraction form
    188,570.68/260,220.46 = 103,682.68/x
  3. Step 3: Cross multiply
    188,570.68x = 260,220.46 × 103,682.68
  4. Step 4: Simplify right side
    188,570.68x = 26,980,354,683.63
  5. Step 5: Solve for x
    x = 26,980,354,683.63/188,570.68
  6. Step 6: Final answer
    x = 143,078.21

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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.