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Finding the Fourth Proportional to 188,818.89, 260,576.94 and 102,773.71

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Solution

The fourth proportional to 188,818.89, 260,576.94 and 102,773.71 is: 141,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,818.89 : 260,576.94 = 102,773.71 : x
  2. Step 2: Convert to fraction form
    188,818.89/260,576.94 = 102,773.71/x
  3. Step 3: Cross multiply
    188,818.89x = 260,576.94 × 102,773.71
  4. Step 4: Simplify right side
    188,818.89x = 26,780,459,575.37
  5. Step 5: Solve for x
    x = 26,780,459,575.37/188,818.89
  6. Step 6: Final answer
    x = 141,831.47

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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.