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Finding the Fourth Proportional to 74,127.82, 102,254.90 and 43,883.64

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Solution

The fourth proportional to 74,127.82, 102,254.90 and 43,883.64 is: 60,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.82 : 102,254.90 = 43,883.64 : x
  2. Step 2: Convert to fraction form
    74,127.82/102,254.90 = 43,883.64/x
  3. Step 3: Cross multiply
    74,127.82x = 102,254.90 × 43,883.64
  4. Step 4: Simplify right side
    74,127.82x = 4,487,317,219.84
  5. Step 5: Solve for x
    x = 4,487,317,219.84/74,127.82
  6. Step 6: Final answer
    x = 60,534.86

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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.