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Finding the Fourth Proportional to 246,065.76, 339,562.08 and 138,658.32

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Solution

The fourth proportional to 246,065.76, 339,562.08 and 138,658.32 is: 191,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,065.76 : 339,562.08 = 138,658.32 : x
  2. Step 2: Convert to fraction form
    246,065.76/339,562.08 = 138,658.32/x
  3. Step 3: Cross multiply
    246,065.76x = 339,562.08 × 138,658.32
  4. Step 4: Simplify right side
    246,065.76x = 47,083,107,548.51
  5. Step 5: Solve for x
    x = 47,083,107,548.51/246,065.76
  6. Step 6: Final answer
    x = 191,343.60

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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.