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Finding the Fourth Proportional to 241,666.31, 333,455.54 and 139,654.38

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Solution

The fourth proportional to 241,666.31, 333,455.54 and 139,654.38 is: 192,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,666.31 : 333,455.54 = 139,654.38 : x
  2. Step 2: Convert to fraction form
    241,666.31/333,455.54 = 139,654.38/x
  3. Step 3: Cross multiply
    241,666.31x = 333,455.54 × 139,654.38
  4. Step 4: Simplify right side
    241,666.31x = 46,568,525,372.76
  5. Step 5: Solve for x
    x = 46,568,525,372.76/241,666.31
  6. Step 6: Final answer
    x = 192,697.63

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1.5x scale

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.