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Finding the Fourth Proportional to 98,092.47, 147,137.85 and 64,960.77

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Solution

The fourth proportional to 98,092.47, 147,137.85 and 64,960.77 is: 97,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,092.47 : 147,137.85 = 64,960.77 : x
  2. Step 2: Convert to fraction form
    98,092.47/147,137.85 = 64,960.77/x
  3. Step 3: Cross multiply
    98,092.47x = 147,137.85 × 64,960.77
  4. Step 4: Simplify right side
    98,092.47x = 9,558,188,032.14
  5. Step 5: Solve for x
    x = 9,558,188,032.14/98,092.47
  6. Step 6: Final answer
    x = 97,440.59

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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.