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Finding the Fourth Proportional to 176,468.70, 264,703.05 and 156,639.90

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Solution

The fourth proportional to 176,468.70, 264,703.05 and 156,639.90 is: 234,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,468.70 : 264,703.05 = 156,639.90 : x
  2. Step 2: Convert to fraction form
    176,468.70/264,703.05 = 156,639.90/x
  3. Step 3: Cross multiply
    176,468.70x = 264,703.05 × 156,639.90
  4. Step 4: Simplify right side
    176,468.70x = 41,463,059,281.70
  5. Step 5: Solve for x
    x = 41,463,059,281.70/176,468.70
  6. Step 6: Final answer
    x = 234,959.85

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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.