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Finding the Fourth Proportional to 176,464.20, 264,696.30 and 156,635.40

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Solution

The fourth proportional to 176,464.20, 264,696.30 and 156,635.40 is: 234,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,464.20 : 264,696.30 = 156,635.40 : x
  2. Step 2: Convert to fraction form
    176,464.20/264,696.30 = 156,635.40/x
  3. Step 3: Cross multiply
    176,464.20x = 264,696.30 × 156,635.40
  4. Step 4: Simplify right side
    176,464.20x = 41,460,810,829.02
  5. Step 5: Solve for x
    x = 41,460,810,829.02/176,464.20
  6. Step 6: Final answer
    x = 234,953.10

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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.