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Finding the Fourth Proportional to 89,858.88, 124,012.32 and 49,576.32

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Solution

The fourth proportional to 89,858.88, 124,012.32 and 49,576.32 is: 68,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.88 : 124,012.32 = 49,576.32 : x
  2. Step 2: Convert to fraction form
    89,858.88/124,012.32 = 49,576.32/x
  3. Step 3: Cross multiply
    89,858.88x = 124,012.32 × 49,576.32
  4. Step 4: Simplify right side
    89,858.88x = 6,148,074,460.26
  5. Step 5: Solve for x
    x = 6,148,074,460.26/89,858.88
  6. Step 6: Final answer
    x = 68,419.22

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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.