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Finding the Fourth Proportional to 151,750.89, 209,383.74 and 88,054.52

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Solution

The fourth proportional to 151,750.89, 209,383.74 and 88,054.52 is: 121,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,750.89 : 209,383.74 = 88,054.52 : x
  2. Step 2: Convert to fraction form
    151,750.89/209,383.74 = 88,054.52/x
  3. Step 3: Cross multiply
    151,750.89x = 209,383.74 × 88,054.52
  4. Step 4: Simplify right side
    151,750.89x = 18,437,183,674.59
  5. Step 5: Solve for x
    x = 18,437,183,674.59/151,750.89
  6. Step 6: Final answer
    x = 121,496.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.