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Finding the Fourth Proportional to 301,305.12, 451,674.84 and 101,485.68

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Solution

The fourth proportional to 301,305.12, 451,674.84 and 101,485.68 is: 152,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,305.12 : 451,674.84 = 101,485.68 : x
  2. Step 2: Convert to fraction form
    301,305.12/451,674.84 = 101,485.68/x
  3. Step 3: Cross multiply
    301,305.12x = 451,674.84 × 101,485.68
  4. Step 4: Simplify right side
    301,305.12x = 45,838,528,276.29
  5. Step 5: Solve for x
    x = 45,838,528,276.29/301,305.12
  6. Step 6: Final answer
    x = 152,133.25

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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.