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Finding the Fourth Proportional to 303,742.41, 455,527.50 and 126,029.52

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Solution

The fourth proportional to 303,742.41, 455,527.50 and 126,029.52 is: 189,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,742.41 : 455,527.50 = 126,029.52 : x
  2. Step 2: Convert to fraction form
    303,742.41/455,527.50 = 126,029.52/x
  3. Step 3: Cross multiply
    303,742.41x = 455,527.50 × 126,029.52
  4. Step 4: Simplify right side
    303,742.41x = 57,409,911,699.19
  5. Step 5: Solve for x
    x = 57,409,911,699.19/303,742.41
  6. Step 6: Final answer
    x = 189,008.55

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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.