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Finding the Fourth Proportional to 104,000.97, 143,509.01 and 58,676.31

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Solution

The fourth proportional to 104,000.97, 143,509.01 and 58,676.31 is: 80,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.97 : 143,509.01 = 58,676.31 : x
  2. Step 2: Convert to fraction form
    104,000.97/143,509.01 = 58,676.31/x
  3. Step 3: Cross multiply
    104,000.97x = 143,509.01 × 58,676.31
  4. Step 4: Simplify right side
    104,000.97x = 8,420,578,865.17
  5. Step 5: Solve for x
    x = 8,420,578,865.17/104,000.97
  6. Step 6: Final answer
    x = 80,966.35

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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.