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Finding the Fourth Proportional to 172,709.72, 259,063.14 and 48,050.36

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Solution

The fourth proportional to 172,709.72, 259,063.14 and 48,050.36 is: 72,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,709.72 : 259,063.14 = 48,050.36 : x
  2. Step 2: Convert to fraction form
    172,709.72/259,063.14 = 48,050.36/x
  3. Step 3: Cross multiply
    172,709.72x = 259,063.14 × 48,050.36
  4. Step 4: Simplify right side
    172,709.72x = 12,448,077,139.73
  5. Step 5: Solve for x
    x = 12,448,077,139.73/172,709.72
  6. Step 6: Final answer
    x = 72,075.14

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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.