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Finding the Fourth Proportional to 236,074.64, 325,833.30 and 155,509.20

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Solution

The fourth proportional to 236,074.64, 325,833.30 and 155,509.20 is: 214,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,074.64 : 325,833.30 = 155,509.20 : x
  2. Step 2: Convert to fraction form
    236,074.64/325,833.30 = 155,509.20/x
  3. Step 3: Cross multiply
    236,074.64x = 325,833.30 × 155,509.20
  4. Step 4: Simplify right side
    236,074.64x = 50,670,075,816.36
  5. Step 5: Solve for x
    x = 50,670,075,816.36/236,074.64
  6. Step 6: Final answer
    x = 214,635.83

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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.