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Finding the Fourth Proportional to 105,325.80, 158,010.30 and 35,255.40

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Solution

The fourth proportional to 105,325.80, 158,010.30 and 35,255.40 is: 52,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,325.80 : 158,010.30 = 35,255.40 : x
  2. Step 2: Convert to fraction form
    105,325.80/158,010.30 = 35,255.40/x
  3. Step 3: Cross multiply
    105,325.80x = 158,010.30 × 35,255.40
  4. Step 4: Simplify right side
    105,325.80x = 5,570,716,330.62
  5. Step 5: Solve for x
    x = 5,570,716,330.62/105,325.80
  6. Step 6: Final answer
    x = 52,890.33

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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.