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Finding the Fourth Proportional to 171,186.59, 256,779.99 and 64,541.59

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Solution

The fourth proportional to 171,186.59, 256,779.99 and 64,541.59 is: 96,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,186.59 : 256,779.99 = 64,541.59 : x
  2. Step 2: Convert to fraction form
    171,186.59/256,779.99 = 64,541.59/x
  3. Step 3: Cross multiply
    171,186.59x = 256,779.99 × 64,541.59
  4. Step 4: Simplify right side
    171,186.59x = 16,572,987,550.88
  5. Step 5: Solve for x
    x = 16,572,987,550.88/171,186.59
  6. Step 6: Final answer
    x = 96,812.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.