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Finding the Fourth Proportional to 293,034.13, 439,687.93 and 103,637.93

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Solution

The fourth proportional to 293,034.13, 439,687.93 and 103,637.93 is: 155,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,034.13 : 439,687.93 = 103,637.93 : x
  2. Step 2: Convert to fraction form
    293,034.13/439,687.93 = 103,637.93/x
  3. Step 3: Cross multiply
    293,034.13x = 439,687.93 × 103,637.93
  4. Step 4: Simplify right side
    293,034.13x = 45,568,346,911.18
  5. Step 5: Solve for x
    x = 45,568,346,911.18/293,034.13
  6. Step 6: Final answer
    x = 155,505.25

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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.