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Finding the Fourth Proportional to 85,303.44, 117,680.71 and 49,472.68

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Solution

The fourth proportional to 85,303.44, 117,680.71 and 49,472.68 is: 68,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.44 : 117,680.71 = 49,472.68 : x
  2. Step 2: Convert to fraction form
    85,303.44/117,680.71 = 49,472.68/x
  3. Step 3: Cross multiply
    85,303.44x = 117,680.71 × 49,472.68
  4. Step 4: Simplify right side
    85,303.44x = 5,821,980,108.00
  5. Step 5: Solve for x
    x = 5,821,980,108.00/85,303.44
  6. Step 6: Final answer
    x = 68,250.24

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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.