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Finding the Fourth Proportional to 74,362.68, 102,606.08 and 42,524.82

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Solution

The fourth proportional to 74,362.68, 102,606.08 and 42,524.82 is: 58,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,362.68 : 102,606.08 = 42,524.82 : x
  2. Step 2: Convert to fraction form
    74,362.68/102,606.08 = 42,524.82/x
  3. Step 3: Cross multiply
    74,362.68x = 102,606.08 × 42,524.82
  4. Step 4: Simplify right side
    74,362.68x = 4,363,304,870.28
  5. Step 5: Solve for x
    x = 4,363,304,870.28/74,362.68
  6. Step 6: Final answer
    x = 58,676.00

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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.