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Finding the Fourth Proportional to 191,559.60, 264,354.84 and 106,678.80

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Solution

The fourth proportional to 191,559.60, 264,354.84 and 106,678.80 is: 147,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,559.60 : 264,354.84 = 106,678.80 : x
  2. Step 2: Convert to fraction form
    191,559.60/264,354.84 = 106,678.80/x
  3. Step 3: Cross multiply
    191,559.60x = 264,354.84 × 106,678.80
  4. Step 4: Simplify right side
    191,559.60x = 28,201,057,105.39
  5. Step 5: Solve for x
    x = 28,201,057,105.39/191,559.60
  6. Step 6: Final answer
    x = 147,218.19

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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.