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Finding the Fourth Proportional to 171,379.23, 257,066.09 and 46,720.23

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Solution

The fourth proportional to 171,379.23, 257,066.09 and 46,720.23 is: 70,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,379.23 : 257,066.09 = 46,720.23 : x
  2. Step 2: Convert to fraction form
    171,379.23/257,066.09 = 46,720.23/x
  3. Step 3: Cross multiply
    171,379.23x = 257,066.09 × 46,720.23
  4. Step 4: Simplify right side
    171,379.23x = 12,010,185,827.60
  5. Step 5: Solve for x
    x = 12,010,185,827.60/171,379.23
  6. Step 6: Final answer
    x = 70,079.59

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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.