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Finding the Fourth Proportional to 88,628.91, 122,308.28 and 48,343.54

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Solution

The fourth proportional to 88,628.91, 122,308.28 and 48,343.54 is: 66,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,628.91 : 122,308.28 = 48,343.54 : x
  2. Step 2: Convert to fraction form
    88,628.91/122,308.28 = 48,343.54/x
  3. Step 3: Cross multiply
    88,628.91x = 122,308.28 × 48,343.54
  4. Step 4: Simplify right side
    88,628.91x = 5,912,815,226.51
  5. Step 5: Solve for x
    x = 5,912,815,226.51/88,628.91
  6. Step 6: Final answer
    x = 66,714.29

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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.