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Finding the Fourth Proportional to 246,303, 339,898.05 and 133,125.75

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Solution

The fourth proportional to 246,303, 339,898.05 and 133,125.75 is: 183,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,303 : 339,898.05 = 133,125.75 : x
  2. Step 2: Convert to fraction form
    246,303/339,898.05 = 133,125.75/x
  3. Step 3: Cross multiply
    246,303x = 339,898.05 × 133,125.75
  4. Step 4: Simplify right side
    246,303x = 45,249,182,829.79
  5. Step 5: Solve for x
    x = 45,249,182,829.79/246,303
  6. Step 6: Final answer
    x = 183,713.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.