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Finding the Fourth Proportional to 424,883.92, 637,106.32 and 125,326.36

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Solution

The fourth proportional to 424,883.92, 637,106.32 and 125,326.36 is: 187,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,883.92 : 637,106.32 = 125,326.36 : x
  2. Step 2: Convert to fraction form
    424,883.92/637,106.32 = 125,326.36/x
  3. Step 3: Cross multiply
    424,883.92x = 637,106.32 × 125,326.36
  4. Step 4: Simplify right side
    424,883.92x = 79,846,216,018.60
  5. Step 5: Solve for x
    x = 79,846,216,018.60/424,883.92
  6. Step 6: Final answer
    x = 187,924.78

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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.