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Finding the Fourth Proportional to 88,841.90, 133,090.05 and 49,328.30

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Solution

The fourth proportional to 88,841.90, 133,090.05 and 49,328.30 is: 73,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,841.90 : 133,090.05 = 49,328.30 : x
  2. Step 2: Convert to fraction form
    88,841.90/133,090.05 = 49,328.30/x
  3. Step 3: Cross multiply
    88,841.90x = 133,090.05 × 49,328.30
  4. Step 4: Simplify right side
    88,841.90x = 6,565,105,913.42
  5. Step 5: Solve for x
    x = 6,565,105,913.42/88,841.90
  6. Step 6: Final answer
    x = 73,896.51

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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.