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Finding the Fourth Proportional to 243,239.55, 364,871.62 and 93,427.31

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Solution

The fourth proportional to 243,239.55, 364,871.62 and 93,427.31 is: 140,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,239.55 : 364,871.62 = 93,427.31 : x
  2. Step 2: Convert to fraction form
    243,239.55/364,871.62 = 93,427.31/x
  3. Step 3: Cross multiply
    243,239.55x = 364,871.62 × 93,427.31
  4. Step 4: Simplify right side
    243,239.55x = 34,088,973,951.94
  5. Step 5: Solve for x
    x = 34,088,973,951.94/243,239.55
  6. Step 6: Final answer
    x = 140,145.69

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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.