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Finding the Fourth Proportional to 240,484.28, 331,854.53 and 133,047.90

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Solution

The fourth proportional to 240,484.28, 331,854.53 and 133,047.90 is: 183,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,484.28 : 331,854.53 = 133,047.90 : x
  2. Step 2: Convert to fraction form
    240,484.28/331,854.53 = 133,047.90/x
  3. Step 3: Cross multiply
    240,484.28x = 331,854.53 × 133,047.90
  4. Step 4: Simplify right side
    240,484.28x = 44,152,548,321.99
  5. Step 5: Solve for x
    x = 44,152,548,321.99/240,484.28
  6. Step 6: Final answer
    x = 183,598.48

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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.