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Finding the Fourth Proportional to 76,208.64, 114,322.68 and 23,621.28

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Solution

The fourth proportional to 76,208.64, 114,322.68 and 23,621.28 is: 35,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,208.64 : 114,322.68 = 23,621.28 : x
  2. Step 2: Convert to fraction form
    76,208.64/114,322.68 = 23,621.28/x
  3. Step 3: Cross multiply
    76,208.64x = 114,322.68 × 23,621.28
  4. Step 4: Simplify right side
    76,208.64x = 2,700,448,034.63
  5. Step 5: Solve for x
    x = 2,700,448,034.63/76,208.64
  6. Step 6: Final answer
    x = 35,434.93

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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.