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Finding the Fourth Proportional to 105,532.30, 158,300.07 and 35,412.22

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Solution

The fourth proportional to 105,532.30, 158,300.07 and 35,412.22 is: 53,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,532.30 : 158,300.07 = 35,412.22 : x
  2. Step 2: Convert to fraction form
    105,532.30/158,300.07 = 35,412.22/x
  3. Step 3: Cross multiply
    105,532.30x = 158,300.07 × 35,412.22
  4. Step 4: Simplify right side
    105,532.30x = 5,605,756,904.86
  5. Step 5: Solve for x
    x = 5,605,756,904.86/105,532.30
  6. Step 6: Final answer
    x = 53,118.87

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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.