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Finding the Fourth Proportional to 118,060.34, 176,978.93 and 47,026.83

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Solution

The fourth proportional to 118,060.34, 176,978.93 and 47,026.83 is: 70,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,060.34 : 176,978.93 = 47,026.83 : x
  2. Step 2: Convert to fraction form
    118,060.34/176,978.93 = 47,026.83/x
  3. Step 3: Cross multiply
    118,060.34x = 176,978.93 × 47,026.83
  4. Step 4: Simplify right side
    118,060.34x = 8,322,757,487.72
  5. Step 5: Solve for x
    x = 8,322,757,487.72/118,060.34
  6. Step 6: Final answer
    x = 70,495.80

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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.