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Finding the Fourth Proportional to 293,232.96, 439,857.60 and 103,666.56

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Solution

The fourth proportional to 293,232.96, 439,857.60 and 103,666.56 is: 155,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,232.96 : 439,857.60 = 103,666.56 : x
  2. Step 2: Convert to fraction form
    293,232.96/439,857.60 = 103,666.56/x
  3. Step 3: Cross multiply
    293,232.96x = 439,857.60 × 103,666.56
  4. Step 4: Simplify right side
    293,232.96x = 45,598,524,281.86
  5. Step 5: Solve for x
    x = 45,598,524,281.86/293,232.96
  6. Step 6: Final answer
    x = 155,502.72

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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.