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Finding the Fourth Proportional to 100,825.99, 151,332.54 and 50,941.13

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Solution

The fourth proportional to 100,825.99, 151,332.54 and 50,941.13 is: 76,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,825.99 : 151,332.54 = 50,941.13 : x
  2. Step 2: Convert to fraction form
    100,825.99/151,332.54 = 50,941.13/x
  3. Step 3: Cross multiply
    100,825.99x = 151,332.54 × 50,941.13
  4. Step 4: Simplify right side
    100,825.99x = 7,709,050,593.37
  5. Step 5: Solve for x
    x = 7,709,050,593.37/100,825.99
  6. Step 6: Final answer
    x = 76,458.96

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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.