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Finding the Fourth Proportional to 176,475.60, 264,713.40 and 71,240.40

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Solution

The fourth proportional to 176,475.60, 264,713.40 and 71,240.40 is: 106,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,475.60 : 264,713.40 = 71,240.40 : x
  2. Step 2: Convert to fraction form
    176,475.60/264,713.40 = 71,240.40/x
  3. Step 3: Cross multiply
    176,475.60x = 264,713.40 × 71,240.40
  4. Step 4: Simplify right side
    176,475.60x = 18,858,288,501.36
  5. Step 5: Solve for x
    x = 18,858,288,501.36/176,475.60
  6. Step 6: Final answer
    x = 106,860.60

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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.