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Finding the Fourth Proportional to 74,412.75, 111,619.13 and 46,730.19

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Solution

The fourth proportional to 74,412.75, 111,619.13 and 46,730.19 is: 70,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412.75 : 111,619.13 = 46,730.19 : x
  2. Step 2: Convert to fraction form
    74,412.75/111,619.13 = 46,730.19/x
  3. Step 3: Cross multiply
    74,412.75x = 111,619.13 × 46,730.19
  4. Step 4: Simplify right side
    74,412.75x = 5,215,982,918.88
  5. Step 5: Solve for x
    x = 5,215,982,918.88/74,412.75
  6. Step 6: Final answer
    x = 70,095.29

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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.