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Finding the Fourth Proportional to 79,461.96, 109,754.64 and 59,407.98

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Solution

The fourth proportional to 79,461.96, 109,754.64 and 59,407.98 is: 82,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461.96 : 109,754.64 = 59,407.98 : x
  2. Step 2: Convert to fraction form
    79,461.96/109,754.64 = 59,407.98/x
  3. Step 3: Cross multiply
    79,461.96x = 109,754.64 × 59,407.98
  4. Step 4: Simplify right side
    79,461.96x = 6,520,301,458.03
  5. Step 5: Solve for x
    x = 6,520,301,458.03/79,461.96
  6. Step 6: Final answer
    x = 82,055.63

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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.