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Finding the Fourth Proportional to 68,326.72, 102,373.44 and 37,106.08

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Solution

The fourth proportional to 68,326.72, 102,373.44 and 37,106.08 is: 55,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,326.72 : 102,373.44 = 37,106.08 : x
  2. Step 2: Convert to fraction form
    68,326.72/102,373.44 = 37,106.08/x
  3. Step 3: Cross multiply
    68,326.72x = 102,373.44 × 37,106.08
  4. Step 4: Simplify right side
    68,326.72x = 3,798,677,054.52
  5. Step 5: Solve for x
    x = 3,798,677,054.52/68,326.72
  6. Step 6: Final answer
    x = 55,595.78

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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.