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Finding the Fourth Proportional to 104,038.92, 143,573.54 and 58,726.44

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Solution

The fourth proportional to 104,038.92, 143,573.54 and 58,726.44 is: 81,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.92 : 143,573.54 = 58,726.44 : x
  2. Step 2: Convert to fraction form
    104,038.92/143,573.54 = 58,726.44/x
  3. Step 3: Cross multiply
    104,038.92x = 143,573.54 × 58,726.44
  4. Step 4: Simplify right side
    104,038.92x = 8,431,562,882.40
  5. Step 5: Solve for x
    x = 8,431,562,882.40/104,038.92
  6. Step 6: Final answer
    x = 81,042.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.