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Finding the Fourth Proportional to 88,658.34, 133,012.14 and 49,243.14

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Solution

The fourth proportional to 88,658.34, 133,012.14 and 49,243.14 is: 73,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,658.34 : 133,012.14 = 49,243.14 : x
  2. Step 2: Convert to fraction form
    88,658.34/133,012.14 = 49,243.14/x
  3. Step 3: Cross multiply
    88,658.34x = 133,012.14 × 49,243.14
  4. Step 4: Simplify right side
    88,658.34x = 6,549,935,431.72
  5. Step 5: Solve for x
    x = 6,549,935,431.72/88,658.34
  6. Step 6: Final answer
    x = 73,878.39

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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.