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Finding the Fourth Proportional to 76,019.36, 104,915.84 and 44,188.26

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Solution

The fourth proportional to 76,019.36, 104,915.84 and 44,188.26 is: 60,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.36 : 104,915.84 = 44,188.26 : x
  2. Step 2: Convert to fraction form
    76,019.36/104,915.84 = 44,188.26/x
  3. Step 3: Cross multiply
    76,019.36x = 104,915.84 × 44,188.26
  4. Step 4: Simplify right side
    76,019.36x = 4,636,048,416.04
  5. Step 5: Solve for x
    x = 4,636,048,416.04/76,019.36
  6. Step 6: Final answer
    x = 60,985.10

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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.