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Finding the Fourth Proportional to 559,461.53, 839,191.39 and 138,737.41

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Solution

The fourth proportional to 559,461.53, 839,191.39 and 138,737.41 is: 208,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,461.53 : 839,191.39 = 138,737.41 : x
  2. Step 2: Convert to fraction form
    559,461.53/839,191.39 = 138,737.41/x
  3. Step 3: Cross multiply
    559,461.53x = 839,191.39 × 138,737.41
  4. Step 4: Simplify right side
    559,461.53x = 116,427,237,498.08
  5. Step 5: Solve for x
    x = 116,427,237,498.08/559,461.53
  6. Step 6: Final answer
    x = 208,105.89

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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.