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Finding the Fourth Proportional to 176,343.63, 264,480.08 and 86,347.58

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Solution

The fourth proportional to 176,343.63, 264,480.08 and 86,347.58 is: 129,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,343.63 : 264,480.08 = 86,347.58 : x
  2. Step 2: Convert to fraction form
    176,343.63/264,480.08 = 86,347.58/x
  3. Step 3: Cross multiply
    176,343.63x = 264,480.08 × 86,347.58
  4. Step 4: Simplify right side
    176,343.63x = 22,837,213,112.07
  5. Step 5: Solve for x
    x = 22,837,213,112.07/176,343.63
  6. Step 6: Final answer
    x = 129,504.04

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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.