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Finding the Fourth Proportional to 191,925.20, 264,771.12 and 111,306

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Solution

The fourth proportional to 191,925.20, 264,771.12 and 111,306 is: 153,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,925.20 : 264,771.12 = 111,306 : x
  2. Step 2: Convert to fraction form
    191,925.20/264,771.12 = 111,306/x
  3. Step 3: Cross multiply
    191,925.20x = 264,771.12 × 111,306
  4. Step 4: Simplify right side
    191,925.20x = 29,470,614,282.72
  5. Step 5: Solve for x
    x = 29,470,614,282.72/191,925.20
  6. Step 6: Final answer
    x = 153,552.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.