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Finding the Fourth Proportional to 557,510.85, 836,298 and 158,120.03

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Solution

The fourth proportional to 557,510.85, 836,298 and 158,120.03 is: 237,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,510.85 : 836,298 = 158,120.03 : x
  2. Step 2: Convert to fraction form
    557,510.85/836,298 = 158,120.03/x
  3. Step 3: Cross multiply
    557,510.85x = 836,298 × 158,120.03
  4. Step 4: Simplify right side
    557,510.85x = 132,235,466,939.69
  5. Step 5: Solve for x
    x = 132,235,466,939.69/557,510.85
  6. Step 6: Final answer
    x = 237,189.05

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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.