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Finding the Fourth Proportional to 82,375.36, 113,678.08 and 44,649.60

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Solution

The fourth proportional to 82,375.36, 113,678.08 and 44,649.60 is: 61,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.36 : 113,678.08 = 44,649.60 : x
  2. Step 2: Convert to fraction form
    82,375.36/113,678.08 = 44,649.60/x
  3. Step 3: Cross multiply
    82,375.36x = 113,678.08 × 44,649.60
  4. Step 4: Simplify right side
    82,375.36x = 5,075,680,800.77
  5. Step 5: Solve for x
    x = 5,075,680,800.77/82,375.36
  6. Step 6: Final answer
    x = 61,616.49

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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.