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Finding the Fourth Proportional to 283,561.70, 425,536.95 and 125,903.30

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Solution

The fourth proportional to 283,561.70, 425,536.95 and 125,903.30 is: 188,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,561.70 : 425,536.95 = 125,903.30 : x
  2. Step 2: Convert to fraction form
    283,561.70/425,536.95 = 125,903.30/x
  3. Step 3: Cross multiply
    283,561.70x = 425,536.95 × 125,903.30
  4. Step 4: Simplify right side
    283,561.70x = 53,576,506,276.94
  5. Step 5: Solve for x
    x = 53,576,506,276.94/283,561.70
  6. Step 6: Final answer
    x = 188,941.26

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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.