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Finding the Fourth Proportional to 368,435.55, 552,653.26 and 102,196.07

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Solution

The fourth proportional to 368,435.55, 552,653.26 and 102,196.07 is: 153,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,435.55 : 552,653.26 = 102,196.07 : x
  2. Step 2: Convert to fraction form
    368,435.55/552,653.26 = 102,196.07/x
  3. Step 3: Cross multiply
    368,435.55x = 552,653.26 × 102,196.07
  4. Step 4: Simplify right side
    368,435.55x = 56,478,991,244.69
  5. Step 5: Solve for x
    x = 56,478,991,244.69/368,435.55
  6. Step 6: Final answer
    x = 153,294.09

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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.