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Finding the Fourth Proportional to 292,353.57, 438,530.31 and 110,018.64

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Solution

The fourth proportional to 292,353.57, 438,530.31 and 110,018.64 is: 165,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,353.57 : 438,530.31 = 110,018.64 : x
  2. Step 2: Convert to fraction form
    292,353.57/438,530.31 = 110,018.64/x
  3. Step 3: Cross multiply
    292,353.57x = 438,530.31 × 110,018.64
  4. Step 4: Simplify right side
    292,353.57x = 48,246,507,754.89
  5. Step 5: Solve for x
    x = 48,246,507,754.89/292,353.57
  6. Step 6: Final answer
    x = 165,027.94

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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.