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Finding the Fourth Proportional to 115,033.34, 158,744.12 and 64,732.34

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Solution

The fourth proportional to 115,033.34, 158,744.12 and 64,732.34 is: 89,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,033.34 : 158,744.12 = 64,732.34 : x
  2. Step 2: Convert to fraction form
    115,033.34/158,744.12 = 64,732.34/x
  3. Step 3: Cross multiply
    115,033.34x = 158,744.12 × 64,732.34
  4. Step 4: Simplify right side
    115,033.34x = 10,275,878,348.84
  5. Step 5: Solve for x
    x = 10,275,878,348.84/115,033.34
  6. Step 6: Final answer
    x = 89,329.57

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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.