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Finding the Fourth Proportional to 78,024.66, 107,673.98 and 44,040.30

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Solution

The fourth proportional to 78,024.66, 107,673.98 and 44,040.30 is: 60,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,024.66 : 107,673.98 = 44,040.30 : x
  2. Step 2: Convert to fraction form
    78,024.66/107,673.98 = 44,040.30/x
  3. Step 3: Cross multiply
    78,024.66x = 107,673.98 × 44,040.30
  4. Step 4: Simplify right side
    78,024.66x = 4,741,994,161.19
  5. Step 5: Solve for x
    x = 4,741,994,161.19/78,024.66
  6. Step 6: Final answer
    x = 60,775.58

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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.