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Finding the Fourth Proportional to 100,534.76, 150,805.76 and 50,587.68

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Solution

The fourth proportional to 100,534.76, 150,805.76 and 50,587.68 is: 75,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,534.76 : 150,805.76 = 50,587.68 : x
  2. Step 2: Convert to fraction form
    100,534.76/150,805.76 = 50,587.68/x
  3. Step 3: Cross multiply
    100,534.76x = 150,805.76 × 50,587.68
  4. Step 4: Simplify right side
    100,534.76x = 7,628,913,529.04
  5. Step 5: Solve for x
    x = 7,628,913,529.04/100,534.76
  6. Step 6: Final answer
    x = 75,883.34

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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.