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Finding the Fourth Proportional to 64,741.58, 89,271.96 and 44,326.99

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Solution

The fourth proportional to 64,741.58, 89,271.96 and 44,326.99 is: 61,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.58 : 89,271.96 = 44,326.99 : x
  2. Step 2: Convert to fraction form
    64,741.58/89,271.96 = 44,326.99/x
  3. Step 3: Cross multiply
    64,741.58x = 89,271.96 × 44,326.99
  4. Step 4: Simplify right side
    64,741.58x = 3,957,157,278.20
  5. Step 5: Solve for x
    x = 3,957,157,278.20/64,741.58
  6. Step 6: Final answer
    x = 61,122.35

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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.