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Finding the Fourth Proportional to 191,567.50, 264,105.48 and 134,129.56

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Solution

The fourth proportional to 191,567.50, 264,105.48 and 134,129.56 is: 184,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,567.50 : 264,105.48 = 134,129.56 : x
  2. Step 2: Convert to fraction form
    191,567.50/264,105.48 = 134,129.56/x
  3. Step 3: Cross multiply
    191,567.50x = 264,105.48 × 134,129.56
  4. Step 4: Simplify right side
    191,567.50x = 35,424,351,825.99
  5. Step 5: Solve for x
    x = 35,424,351,825.99/191,567.50
  6. Step 6: Final answer
    x = 184,918.38

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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.