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Finding the Fourth Proportional to 255,313.94, 352,325.23 and 147,886.07

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Solution

The fourth proportional to 255,313.94, 352,325.23 and 147,886.07 is: 204,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,313.94 : 352,325.23 = 147,886.07 : x
  2. Step 2: Convert to fraction form
    255,313.94/352,325.23 = 147,886.07/x
  3. Step 3: Cross multiply
    255,313.94x = 352,325.23 × 147,886.07
  4. Step 4: Simplify right side
    255,313.94x = 52,103,991,495.20
  5. Step 5: Solve for x
    x = 52,103,991,495.20/255,313.94
  6. Step 6: Final answer
    x = 204,078.13

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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.