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Finding the Fourth Proportional to 244,689.44, 367,070.64 and 86,904.64

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Solution

The fourth proportional to 244,689.44, 367,070.64 and 86,904.64 is: 130,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,689.44 : 367,070.64 = 86,904.64 : x
  2. Step 2: Convert to fraction form
    244,689.44/367,070.64 = 86,904.64/x
  3. Step 3: Cross multiply
    244,689.44x = 367,070.64 × 86,904.64
  4. Step 4: Simplify right side
    244,689.44x = 31,900,141,823.77
  5. Step 5: Solve for x
    x = 31,900,141,823.77/244,689.44
  6. Step 6: Final answer
    x = 130,369.92

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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.