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Finding the Fourth Proportional to 437,673.70, 656,510.55 and 122,130.10

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Solution

The fourth proportional to 437,673.70, 656,510.55 and 122,130.10 is: 183,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,673.70 : 656,510.55 = 122,130.10 : x
  2. Step 2: Convert to fraction form
    437,673.70/656,510.55 = 122,130.10/x
  3. Step 3: Cross multiply
    437,673.70x = 656,510.55 × 122,130.10
  4. Step 4: Simplify right side
    437,673.70x = 80,179,699,122.56
  5. Step 5: Solve for x
    x = 80,179,699,122.56/437,673.70
  6. Step 6: Final answer
    x = 183,195.15

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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.