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Finding the Fourth Proportional to 108,159.72, 149,263.43 and 59,764.77

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Solution

The fourth proportional to 108,159.72, 149,263.43 and 59,764.77 is: 82,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,159.72 : 149,263.43 = 59,764.77 : x
  2. Step 2: Convert to fraction form
    108,159.72/149,263.43 = 59,764.77/x
  3. Step 3: Cross multiply
    108,159.72x = 149,263.43 × 59,764.77
  4. Step 4: Simplify right side
    108,159.72x = 8,920,694,264.54
  5. Step 5: Solve for x
    x = 8,920,694,264.54/108,159.72
  6. Step 6: Final answer
    x = 82,477.05

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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.