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Finding the Fourth Proportional to 108,733.95, 150,053.12 and 63,443.07

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Solution

The fourth proportional to 108,733.95, 150,053.12 and 63,443.07 is: 87,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,733.95 : 150,053.12 = 63,443.07 : x
  2. Step 2: Convert to fraction form
    108,733.95/150,053.12 = 63,443.07/x
  3. Step 3: Cross multiply
    108,733.95x = 150,053.12 × 63,443.07
  4. Step 4: Simplify right side
    108,733.95x = 9,519,830,595.88
  5. Step 5: Solve for x
    x = 9,519,830,595.88/108,733.95
  6. Step 6: Final answer
    x = 87,551.59

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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.