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Finding the Fourth Proportional to 243,773.37, 365,355.36 and 117,390.06

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Solution

The fourth proportional to 243,773.37, 365,355.36 and 117,390.06 is: 175,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,773.37 : 365,355.36 = 117,390.06 : x
  2. Step 2: Convert to fraction form
    243,773.37/365,355.36 = 117,390.06/x
  3. Step 3: Cross multiply
    243,773.37x = 365,355.36 × 117,390.06
  4. Step 4: Simplify right side
    243,773.37x = 42,889,087,631.72
  5. Step 5: Solve for x
    x = 42,889,087,631.72/243,773.37
  6. Step 6: Final answer
    x = 175,938.36

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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.