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Finding the Fourth Proportional to 255,392.39, 352,410.67 and 146,491.11

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Solution

The fourth proportional to 255,392.39, 352,410.67 and 146,491.11 is: 202,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,392.39 : 352,410.67 = 146,491.11 : x
  2. Step 2: Convert to fraction form
    255,392.39/352,410.67 = 146,491.11/x
  3. Step 3: Cross multiply
    255,392.39x = 352,410.67 × 146,491.11
  4. Step 4: Simplify right side
    255,392.39x = 51,625,029,828.11
  5. Step 5: Solve for x
    x = 51,625,029,828.11/255,392.39
  6. Step 6: Final answer
    x = 202,140.05

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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.