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Finding the Fourth Proportional to 310,139.55, 465,204.06 and 176,735.25

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Solution

The fourth proportional to 310,139.55, 465,204.06 and 176,735.25 is: 265,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,139.55 : 465,204.06 = 176,735.25 : x
  2. Step 2: Convert to fraction form
    310,139.55/465,204.06 = 176,735.25/x
  3. Step 3: Cross multiply
    310,139.55x = 465,204.06 × 176,735.25
  4. Step 4: Simplify right side
    310,139.55x = 82,217,955,845.12
  5. Step 5: Solve for x
    x = 82,217,955,845.12/310,139.55
  6. Step 6: Final answer
    x = 265,099.87

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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.