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Finding the Fourth Proportional to 73,421.94, 110,140.89 and 23,490.30

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Solution

The fourth proportional to 73,421.94, 110,140.89 and 23,490.30 is: 35,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.94 : 110,140.89 = 23,490.30 : x
  2. Step 2: Convert to fraction form
    73,421.94/110,140.89 = 23,490.30/x
  3. Step 3: Cross multiply
    73,421.94x = 110,140.89 × 23,490.30
  4. Step 4: Simplify right side
    73,421.94x = 2,587,242,548.37
  5. Step 5: Solve for x
    x = 2,587,242,548.37/73,421.94
  6. Step 6: Final answer
    x = 35,238.00

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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.