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Finding the Fourth Proportional to 85,051.86, 117,363.93 and 49,244.30

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Solution

The fourth proportional to 85,051.86, 117,363.93 and 49,244.30 is: 67,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,051.86 : 117,363.93 = 49,244.30 : x
  2. Step 2: Convert to fraction form
    85,051.86/117,363.93 = 49,244.30/x
  3. Step 3: Cross multiply
    85,051.86x = 117,363.93 × 49,244.30
  4. Step 4: Simplify right side
    85,051.86x = 5,779,503,991.28
  5. Step 5: Solve for x
    x = 5,779,503,991.28/85,051.86
  6. Step 6: Final answer
    x = 67,952.71

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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.