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Finding the Fourth Proportional to 191,514.82, 264,299.88 and 106,630.06

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Solution

The fourth proportional to 191,514.82, 264,299.88 and 106,630.06 is: 147,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,514.82 : 264,299.88 = 106,630.06 : x
  2. Step 2: Convert to fraction form
    191,514.82/264,299.88 = 106,630.06/x
  3. Step 3: Cross multiply
    191,514.82x = 264,299.88 × 106,630.06
  4. Step 4: Simplify right side
    191,514.82x = 28,182,312,062.39
  5. Step 5: Solve for x
    x = 28,182,312,062.39/191,514.82
  6. Step 6: Final answer
    x = 147,154.73

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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.