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Finding the Fourth Proportional to 104,915.83, 144,779.31 and 59,593.67

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Solution

The fourth proportional to 104,915.83, 144,779.31 and 59,593.67 is: 82,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,915.83 : 144,779.31 = 59,593.67 : x
  2. Step 2: Convert to fraction form
    104,915.83/144,779.31 = 59,593.67/x
  3. Step 3: Cross multiply
    104,915.83x = 144,779.31 × 59,593.67
  4. Step 4: Simplify right side
    104,915.83x = 8,627,930,422.97
  5. Step 5: Solve for x
    x = 8,627,930,422.97/104,915.83
  6. Step 6: Final answer
    x = 82,236.69

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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.