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Finding the Fourth Proportional to 104,438, 144,124.44 and 59,726

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Solution

The fourth proportional to 104,438, 144,124.44 and 59,726 is: 82,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438 : 144,124.44 = 59,726 : x
  2. Step 2: Convert to fraction form
    104,438/144,124.44 = 59,726/x
  3. Step 3: Cross multiply
    104,438x = 144,124.44 × 59,726
  4. Step 4: Simplify right side
    104,438x = 8,607,976,303.44
  5. Step 5: Solve for x
    x = 8,607,976,303.44/104,438
  6. Step 6: Final answer
    x = 82,421.88

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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.