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Finding the Fourth Proportional to 77,448.64, 116,289.60 and 44,206.24

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Solution

The fourth proportional to 77,448.64, 116,289.60 and 44,206.24 is: 66,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,448.64 : 116,289.60 = 44,206.24 : x
  2. Step 2: Convert to fraction form
    77,448.64/116,289.60 = 44,206.24/x
  3. Step 3: Cross multiply
    77,448.64x = 116,289.60 × 44,206.24
  4. Step 4: Simplify right side
    77,448.64x = 5,140,725,967.10
  5. Step 5: Solve for x
    x = 5,140,725,967.10/77,448.64
  6. Step 6: Final answer
    x = 66,375.94

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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.