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Finding the Fourth Proportional to 118,342, 177,600.48 and 56,012.50

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Solution

The fourth proportional to 118,342, 177,600.48 and 56,012.50 is: 84,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,342 : 177,600.48 = 56,012.50 : x
  2. Step 2: Convert to fraction form
    118,342/177,600.48 = 56,012.50/x
  3. Step 3: Cross multiply
    118,342x = 177,600.48 × 56,012.50
  4. Step 4: Simplify right side
    118,342x = 9,947,846,886
  5. Step 5: Solve for x
    x = 9,947,846,886/118,342
  6. Step 6: Final answer
    x = 84,060.16

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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.