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Finding the Fourth Proportional to 253,007.73, 379,455.63 and 73,054.11

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Solution

The fourth proportional to 253,007.73, 379,455.63 and 73,054.11 is: 109,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,007.73 : 379,455.63 = 73,054.11 : x
  2. Step 2: Convert to fraction form
    253,007.73/379,455.63 = 73,054.11/x
  3. Step 3: Cross multiply
    253,007.73x = 379,455.63 × 73,054.11
  4. Step 4: Simplify right side
    253,007.73x = 27,720,791,637.23
  5. Step 5: Solve for x
    x = 27,720,791,637.23/253,007.73
  6. Step 6: Final answer
    x = 109,565.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.