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Finding the Fourth Proportional to 353,477.94, 530,137 and 100,752.99

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Solution

The fourth proportional to 353,477.94, 530,137 and 100,752.99 is: 151,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,477.94 : 530,137 = 100,752.99 : x
  2. Step 2: Convert to fraction form
    353,477.94/530,137 = 100,752.99/x
  3. Step 3: Cross multiply
    353,477.94x = 530,137 × 100,752.99
  4. Step 4: Simplify right side
    353,477.94x = 53,412,887,859.63
  5. Step 5: Solve for x
    x = 53,412,887,859.63/353,477.94
  6. Step 6: Final answer
    x = 151,106.71

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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.