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Finding the Fourth Proportional to 88,896.16, 122,689.68 and 58,676.32

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Solution

The fourth proportional to 88,896.16, 122,689.68 and 58,676.32 is: 80,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,896.16 : 122,689.68 = 58,676.32 : x
  2. Step 2: Convert to fraction form
    88,896.16/122,689.68 = 58,676.32/x
  3. Step 3: Cross multiply
    88,896.16x = 122,689.68 × 58,676.32
  4. Step 4: Simplify right side
    88,896.16x = 7,198,978,924.38
  5. Step 5: Solve for x
    x = 7,198,978,924.38/88,896.16
  6. Step 6: Final answer
    x = 80,981.89

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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.