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Finding the Fourth Proportional to 79,525.66, 109,748.22 and 43,718.98

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Solution

The fourth proportional to 79,525.66, 109,748.22 and 43,718.98 is: 60,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.66 : 109,748.22 = 43,718.98 : x
  2. Step 2: Convert to fraction form
    79,525.66/109,748.22 = 43,718.98/x
  3. Step 3: Cross multiply
    79,525.66x = 109,748.22 × 43,718.98
  4. Step 4: Simplify right side
    79,525.66x = 4,798,080,235.22
  5. Step 5: Solve for x
    x = 4,798,080,235.22/79,525.66
  6. Step 6: Final answer
    x = 60,333.74

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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.