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Finding the Fourth Proportional to 188,548.27, 260,197.59 and 103,670.80

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Solution

The fourth proportional to 188,548.27, 260,197.59 and 103,670.80 is: 143,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,548.27 : 260,197.59 = 103,670.80 : x
  2. Step 2: Convert to fraction form
    188,548.27/260,197.59 = 103,670.80/x
  3. Step 3: Cross multiply
    188,548.27x = 260,197.59 × 103,670.80
  4. Step 4: Simplify right side
    188,548.27x = 26,974,892,313.37
  5. Step 5: Solve for x
    x = 26,974,892,313.37/188,548.27
  6. Step 6: Final answer
    x = 143,066.24

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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.