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Finding the Fourth Proportional to 118,552.77, 177,877.23 and 51,957.81

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Solution

The fourth proportional to 118,552.77, 177,877.23 and 51,957.81 is: 77,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,552.77 : 177,877.23 = 51,957.81 : x
  2. Step 2: Convert to fraction form
    118,552.77/177,877.23 = 51,957.81/x
  3. Step 3: Cross multiply
    118,552.77x = 177,877.23 × 51,957.81
  4. Step 4: Simplify right side
    118,552.77x = 9,242,111,319.67
  5. Step 5: Solve for x
    x = 9,242,111,319.67/118,552.77
  6. Step 6: Final answer
    x = 77,957.78

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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.