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Finding the Fourth Proportional to 104,512.40, 156,653.40 and 57,798.80

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Solution

The fourth proportional to 104,512.40, 156,653.40 and 57,798.80 is: 86,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,512.40 : 156,653.40 = 57,798.80 : x
  2. Step 2: Convert to fraction form
    104,512.40/156,653.40 = 57,798.80/x
  3. Step 3: Cross multiply
    104,512.40x = 156,653.40 × 57,798.80
  4. Step 4: Simplify right side
    104,512.40x = 9,054,378,535.92
  5. Step 5: Solve for x
    x = 9,054,378,535.92/104,512.40
  6. Step 6: Final answer
    x = 86,634.49

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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.