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Finding the Fourth Proportional to 336,783.60, 505,171.08 and 96,903.36

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Solution

The fourth proportional to 336,783.60, 505,171.08 and 96,903.36 is: 145,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,783.60 : 505,171.08 = 96,903.36 : x
  2. Step 2: Convert to fraction form
    336,783.60/505,171.08 = 96,903.36/x
  3. Step 3: Cross multiply
    336,783.60x = 505,171.08 × 96,903.36
  4. Step 4: Simplify right side
    336,783.60x = 48,952,775,026.83
  5. Step 5: Solve for x
    x = 48,952,775,026.83/336,783.60
  6. Step 6: Final answer
    x = 145,353.80

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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.