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Finding the Fourth Proportional to 191,920.16, 264,850.24 and 107,042.68

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Solution

The fourth proportional to 191,920.16, 264,850.24 and 107,042.68 is: 147,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,920.16 : 264,850.24 = 107,042.68 : x
  2. Step 2: Convert to fraction form
    191,920.16/264,850.24 = 107,042.68/x
  3. Step 3: Cross multiply
    191,920.16x = 264,850.24 × 107,042.68
  4. Step 4: Simplify right side
    191,920.16x = 28,350,279,488.24
  5. Step 5: Solve for x
    x = 28,350,279,488.24/191,920.16
  6. Step 6: Final answer
    x = 147,719.13

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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.