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Finding the Fourth Proportional to 104,758.39, 144,563.80 and 57,010.71

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Solution

The fourth proportional to 104,758.39, 144,563.80 and 57,010.71 is: 78,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.39 : 144,563.80 = 57,010.71 : x
  2. Step 2: Convert to fraction form
    104,758.39/144,563.80 = 57,010.71/x
  3. Step 3: Cross multiply
    104,758.39x = 144,563.80 × 57,010.71
  4. Step 4: Simplify right side
    104,758.39x = 8,241,684,374.36
  5. Step 5: Solve for x
    x = 8,241,684,374.36/104,758.39
  6. Step 6: Final answer
    x = 78,673.27

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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.