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Finding the Fourth Proportional to 234,585.99, 323,720.00 and 127,153.72

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Solution

The fourth proportional to 234,585.99, 323,720.00 and 127,153.72 is: 175,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,585.99 : 323,720.00 = 127,153.72 : x
  2. Step 2: Convert to fraction form
    234,585.99/323,720.00 = 127,153.72/x
  3. Step 3: Cross multiply
    234,585.99x = 323,720.00 × 127,153.72
  4. Step 4: Simplify right side
    234,585.99x = 41,162,201,033.11
  5. Step 5: Solve for x
    x = 41,162,201,033.11/234,585.99
  6. Step 6: Final answer
    x = 175,467.43

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1.5x scale

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.