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Finding the Fourth Proportional to 73,574.61, 101,529.90 and 43,361.21

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Solution

The fourth proportional to 73,574.61, 101,529.90 and 43,361.21 is: 59,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,574.61 : 101,529.90 = 43,361.21 : x
  2. Step 2: Convert to fraction form
    73,574.61/101,529.90 = 43,361.21/x
  3. Step 3: Cross multiply
    73,574.61x = 101,529.90 × 43,361.21
  4. Step 4: Simplify right side
    73,574.61x = 4,402,458,807.53
  5. Step 5: Solve for x
    x = 4,402,458,807.53/73,574.61
  6. Step 6: Final answer
    x = 59,836.66

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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.