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Finding the Fourth Proportional to 87,410.95, 120,523.95 and 59,828.93

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Solution

The fourth proportional to 87,410.95, 120,523.95 and 59,828.93 is: 82,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.95 : 120,523.95 = 59,828.93 : x
  2. Step 2: Convert to fraction form
    87,410.95/120,523.95 = 59,828.93/x
  3. Step 3: Cross multiply
    87,410.95x = 120,523.95 × 59,828.93
  4. Step 4: Simplify right side
    87,410.95x = 7,210,818,967.87
  5. Step 5: Solve for x
    x = 7,210,818,967.87/87,410.95
  6. Step 6: Final answer
    x = 82,493.31

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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.