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Finding the Fourth Proportional to 151,763.60, 227,904.60 and 99,405.20

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Solution

The fourth proportional to 151,763.60, 227,904.60 and 99,405.20 is: 149,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,763.60 : 227,904.60 = 99,405.20 : x
  2. Step 2: Convert to fraction form
    151,763.60/227,904.60 = 99,405.20/x
  3. Step 3: Cross multiply
    151,763.60x = 227,904.60 × 99,405.20
  4. Step 4: Simplify right side
    151,763.60x = 22,654,902,343.92
  5. Step 5: Solve for x
    x = 22,654,902,343.92/151,763.60
  6. Step 6: Final answer
    x = 149,277.58

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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.