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Finding the Fourth Proportional to 104,415.40, 156,623.10 and 60,019.30

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Solution

The fourth proportional to 104,415.40, 156,623.10 and 60,019.30 is: 90,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.40 : 156,623.10 = 60,019.30 : x
  2. Step 2: Convert to fraction form
    104,415.40/156,623.10 = 60,019.30/x
  3. Step 3: Cross multiply
    104,415.40x = 156,623.10 × 60,019.30
  4. Step 4: Simplify right side
    104,415.40x = 9,400,408,825.83
  5. Step 5: Solve for x
    x = 9,400,408,825.83/104,415.40
  6. Step 6: Final answer
    x = 90,028.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.