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Finding the Fourth Proportional to 176,534.60, 264,801.90 and 71,299.40

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Solution

The fourth proportional to 176,534.60, 264,801.90 and 71,299.40 is: 106,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,534.60 : 264,801.90 = 71,299.40 : x
  2. Step 2: Convert to fraction form
    176,534.60/264,801.90 = 71,299.40/x
  3. Step 3: Cross multiply
    176,534.60x = 264,801.90 × 71,299.40
  4. Step 4: Simplify right side
    176,534.60x = 18,880,216,588.86
  5. Step 5: Solve for x
    x = 18,880,216,588.86/176,534.60
  6. Step 6: Final answer
    x = 106,949.10

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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.