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Finding the Fourth Proportional to 188,045.55, 259,525.82 and 107,476.47

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Solution

The fourth proportional to 188,045.55, 259,525.82 and 107,476.47 is: 148,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.55 : 259,525.82 = 107,476.47 : x
  2. Step 2: Convert to fraction form
    188,045.55/259,525.82 = 107,476.47/x
  3. Step 3: Cross multiply
    188,045.55x = 259,525.82 × 107,476.47
  4. Step 4: Simplify right side
    188,045.55x = 27,892,919,276.15
  5. Step 5: Solve for x
    x = 27,892,919,276.15/188,045.55
  6. Step 6: Final answer
    x = 148,330.65

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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.