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Finding the Fourth Proportional to 104,759.58, 144,568.29 and 57,013.27

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Solution

The fourth proportional to 104,759.58, 144,568.29 and 57,013.27 is: 78,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,759.58 : 144,568.29 = 57,013.27 : x
  2. Step 2: Convert to fraction form
    104,759.58/144,568.29 = 57,013.27/x
  3. Step 3: Cross multiply
    104,759.58x = 144,568.29 × 57,013.27
  4. Step 4: Simplify right side
    104,759.58x = 8,242,310,803.59
  5. Step 5: Solve for x
    x = 8,242,310,803.59/104,759.58
  6. Step 6: Final answer
    x = 78,678.35

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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.