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Finding the Fourth Proportional to 77,683.64, 116,451.64 and 49,524.66

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Solution

The fourth proportional to 77,683.64, 116,451.64 and 49,524.66 is: 74,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,683.64 : 116,451.64 = 49,524.66 : x
  2. Step 2: Convert to fraction form
    77,683.64/116,451.64 = 49,524.66/x
  3. Step 3: Cross multiply
    77,683.64x = 116,451.64 × 49,524.66
  4. Step 4: Simplify right side
    77,683.64x = 5,767,227,877.44
  5. Step 5: Solve for x
    x = 5,767,227,877.44/77,683.64
  6. Step 6: Final answer
    x = 74,239.93

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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.