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Finding the Fourth Proportional to 70,040, 96,655.20 and 44,889.50

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Solution

The fourth proportional to 70,040, 96,655.20 and 44,889.50 is: 61,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040 : 96,655.20 = 44,889.50 : x
  2. Step 2: Convert to fraction form
    70,040/96,655.20 = 44,889.50/x
  3. Step 3: Cross multiply
    70,040x = 96,655.20 × 44,889.50
  4. Step 4: Simplify right side
    70,040x = 4,338,803,600.40
  5. Step 5: Solve for x
    x = 4,338,803,600.40/70,040
  6. Step 6: Final answer
    x = 61,947.51

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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.