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Finding the Fourth Proportional to 423,673.74, 635,502.44 and 124,147.69

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Solution

The fourth proportional to 423,673.74, 635,502.44 and 124,147.69 is: 186,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,673.74 : 635,502.44 = 124,147.69 : x
  2. Step 2: Convert to fraction form
    423,673.74/635,502.44 = 124,147.69/x
  3. Step 3: Cross multiply
    423,673.74x = 635,502.44 × 124,147.69
  4. Step 4: Simplify right side
    423,673.74x = 78,896,158,636.98
  5. Step 5: Solve for x
    x = 78,896,158,636.98/423,673.74
  6. Step 6: Final answer
    x = 186,219.14

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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.