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Finding the Fourth Proportional to 176,212.80, 264,319.20 and 123,068.70

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Solution

The fourth proportional to 176,212.80, 264,319.20 and 123,068.70 is: 184,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,212.80 : 264,319.20 = 123,068.70 : x
  2. Step 2: Convert to fraction form
    176,212.80/264,319.20 = 123,068.70/x
  3. Step 3: Cross multiply
    176,212.80x = 264,319.20 × 123,068.70
  4. Step 4: Simplify right side
    176,212.80x = 32,529,420,329.04
  5. Step 5: Solve for x
    x = 32,529,420,329.04/176,212.80
  6. Step 6: Final answer
    x = 184,603.05

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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.