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Finding the Fourth Proportional to 237,005.96, 355,527.30 and 79,235

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Solution

The fourth proportional to 237,005.96, 355,527.30 and 79,235 is: 118,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,005.96 : 355,527.30 = 79,235 : x
  2. Step 2: Convert to fraction form
    237,005.96/355,527.30 = 79,235/x
  3. Step 3: Cross multiply
    237,005.96x = 355,527.30 × 79,235
  4. Step 4: Simplify right side
    237,005.96x = 28,170,205,615.50
  5. Step 5: Solve for x
    x = 28,170,205,615.50/237,005.96
  6. Step 6: Final answer
    x = 118,858.64

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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.