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Finding the Fourth Proportional to 355,908.83, 533,707.72 and 106,532.51

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Solution

The fourth proportional to 355,908.83, 533,707.72 and 106,532.51 is: 159,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,908.83 : 533,707.72 = 106,532.51 : x
  2. Step 2: Convert to fraction form
    355,908.83/533,707.72 = 106,532.51/x
  3. Step 3: Cross multiply
    355,908.83x = 533,707.72 × 106,532.51
  4. Step 4: Simplify right side
    355,908.83x = 56,857,220,083.11
  5. Step 5: Solve for x
    x = 56,857,220,083.11/355,908.83
  6. Step 6: Final answer
    x = 159,752.21

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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.