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Finding the Fourth Proportional to 173,088.98, 259,642.92 and 54,751.52

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Solution

The fourth proportional to 173,088.98, 259,642.92 and 54,751.52 is: 82,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,088.98 : 259,642.92 = 54,751.52 : x
  2. Step 2: Convert to fraction form
    173,088.98/259,642.92 = 54,751.52/x
  3. Step 3: Cross multiply
    173,088.98x = 259,642.92 × 54,751.52
  4. Step 4: Simplify right side
    173,088.98x = 14,215,844,527.24
  5. Step 5: Solve for x
    x = 14,215,844,527.24/173,088.98
  6. Step 6: Final answer
    x = 82,130.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.