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Finding the Fourth Proportional to 191,903.44, 264,830.20 and 105,872.24

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Solution

The fourth proportional to 191,903.44, 264,830.20 and 105,872.24 is: 146,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903.44 : 264,830.20 = 105,872.24 : x
  2. Step 2: Convert to fraction form
    191,903.44/264,830.20 = 105,872.24/x
  3. Step 3: Cross multiply
    191,903.44x = 264,830.20 × 105,872.24
  4. Step 4: Simplify right side
    191,903.44x = 28,038,166,493.65
  5. Step 5: Solve for x
    x = 28,038,166,493.65/191,903.44
  6. Step 6: Final answer
    x = 146,105.60

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1.5x scale

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.