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Finding the Fourth Proportional to 74,017.98, 102,138.21 and 41,754.96

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Solution

The fourth proportional to 74,017.98, 102,138.21 and 41,754.96 is: 57,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.98 : 102,138.21 = 41,754.96 : x
  2. Step 2: Convert to fraction form
    74,017.98/102,138.21 = 41,754.96/x
  3. Step 3: Cross multiply
    74,017.98x = 102,138.21 × 41,754.96
  4. Step 4: Simplify right side
    74,017.98x = 4,264,776,873.02
  5. Step 5: Solve for x
    x = 4,264,776,873.02/74,017.98
  6. Step 6: Final answer
    x = 57,618.12

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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.