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Finding the Fourth Proportional to 73,579, 101,539.02 and 40,045.24

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Solution

The fourth proportional to 73,579, 101,539.02 and 40,045.24 is: 55,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,579 : 101,539.02 = 40,045.24 : x
  2. Step 2: Convert to fraction form
    73,579/101,539.02 = 40,045.24/x
  3. Step 3: Cross multiply
    73,579x = 101,539.02 × 40,045.24
  4. Step 4: Simplify right side
    73,579x = 4,066,154,425.26
  5. Step 5: Solve for x
    x = 4,066,154,425.26/73,579
  6. Step 6: Final answer
    x = 55,262.43

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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.