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Finding the Fourth Proportional to 283,080.37, 390,661.67 and 162,244.98

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Solution

The fourth proportional to 283,080.37, 390,661.67 and 162,244.98 is: 223,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,080.37 : 390,661.67 = 162,244.98 : x
  2. Step 2: Convert to fraction form
    283,080.37/390,661.67 = 162,244.98/x
  3. Step 3: Cross multiply
    283,080.37x = 390,661.67 × 162,244.98
  4. Step 4: Simplify right side
    283,080.37x = 63,382,894,835.92
  5. Step 5: Solve for x
    x = 63,382,894,835.92/283,080.37
  6. Step 6: Final answer
    x = 223,904.24

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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.