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Finding the Fourth Proportional to 207,070.52, 310,554.48 and 88,728.44

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Solution

The fourth proportional to 207,070.52, 310,554.48 and 88,728.44 is: 133,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,070.52 : 310,554.48 = 88,728.44 : x
  2. Step 2: Convert to fraction form
    207,070.52/310,554.48 = 88,728.44/x
  3. Step 3: Cross multiply
    207,070.52x = 310,554.48 × 88,728.44
  4. Step 4: Simplify right side
    207,070.52x = 27,555,014,545.41
  5. Step 5: Solve for x
    x = 27,555,014,545.41/207,070.52
  6. Step 6: Final answer
    x = 133,070.68

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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.