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Finding the Fourth Proportional to 87,264.99, 120,437 and 53,266.36

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Solution

The fourth proportional to 87,264.99, 120,437 and 53,266.36 is: 73,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264.99 : 120,437 = 53,266.36 : x
  2. Step 2: Convert to fraction form
    87,264.99/120,437 = 53,266.36/x
  3. Step 3: Cross multiply
    87,264.99x = 120,437 × 53,266.36
  4. Step 4: Simplify right side
    87,264.99x = 6,415,240,599.32
  5. Step 5: Solve for x
    x = 6,415,240,599.32/87,264.99
  6. Step 6: Final answer
    x = 73,514.48

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