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Finding the Fourth Proportional to 214,354.99, 295,788.58 and 123,740.15

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Solution

The fourth proportional to 214,354.99, 295,788.58 and 123,740.15 is: 170,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,354.99 : 295,788.58 = 123,740.15 : x
  2. Step 2: Convert to fraction form
    214,354.99/295,788.58 = 123,740.15/x
  3. Step 3: Cross multiply
    214,354.99x = 295,788.58 × 123,740.15
  4. Step 4: Simplify right side
    214,354.99x = 36,600,921,469.19
  5. Step 5: Solve for x
    x = 36,600,921,469.19/214,354.99
  6. Step 6: Final answer
    x = 170,749.10

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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.