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Finding the Fourth Proportional to 151,804.70, 227,852.85 and 77,009.30

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Solution

The fourth proportional to 151,804.70, 227,852.85 and 77,009.30 is: 115,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,804.70 : 227,852.85 = 77,009.30 : x
  2. Step 2: Convert to fraction form
    151,804.70/227,852.85 = 77,009.30/x
  3. Step 3: Cross multiply
    151,804.70x = 227,852.85 × 77,009.30
  4. Step 4: Simplify right side
    151,804.70x = 17,546,788,481.51
  5. Step 5: Solve for x
    x = 17,546,788,481.51/151,804.70
  6. Step 6: Final answer
    x = 115,587.91

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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.