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Finding the Fourth Proportional to 223,090.37, 334,509.80 and 73,290.44

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Solution

The fourth proportional to 223,090.37, 334,509.80 and 73,290.44 is: 109,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,090.37 : 334,509.80 = 73,290.44 : x
  2. Step 2: Convert to fraction form
    223,090.37/334,509.80 = 73,290.44/x
  3. Step 3: Cross multiply
    223,090.37x = 334,509.80 × 73,290.44
  4. Step 4: Simplify right side
    223,090.37x = 24,516,369,897.18
  5. Step 5: Solve for x
    x = 24,516,369,897.18/223,090.37
  6. Step 6: Final answer
    x = 109,894.34

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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.