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Finding the Fourth Proportional to 76,014.95, 104,899.95 and 42,024.31

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Solution

The fourth proportional to 76,014.95, 104,899.95 and 42,024.31 is: 57,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.95 : 104,899.95 = 42,024.31 : x
  2. Step 2: Convert to fraction form
    76,014.95/104,899.95 = 42,024.31/x
  3. Step 3: Cross multiply
    76,014.95x = 104,899.95 × 42,024.31
  4. Step 4: Simplify right side
    76,014.95x = 4,408,347,755.53
  5. Step 5: Solve for x
    x = 4,408,347,755.53/76,014.95
  6. Step 6: Final answer
    x = 57,993.17

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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.