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Finding the Fourth Proportional to 291,855.60, 437,783.58 and 92,196.36

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Solution

The fourth proportional to 291,855.60, 437,783.58 and 92,196.36 is: 138,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,855.60 : 437,783.58 = 92,196.36 : x
  2. Step 2: Convert to fraction form
    291,855.60/437,783.58 = 92,196.36/x
  3. Step 3: Cross multiply
    291,855.60x = 437,783.58 × 92,196.36
  4. Step 4: Simplify right side
    291,855.60x = 40,362,052,543.77
  5. Step 5: Solve for x
    x = 40,362,052,543.77/291,855.60
  6. Step 6: Final answer
    x = 138,294.60

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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.