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Finding the Fourth Proportional to 225,741.60, 338,615.28 and 155,602.08

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Solution

The fourth proportional to 225,741.60, 338,615.28 and 155,602.08 is: 233,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,741.60 : 338,615.28 = 155,602.08 : x
  2. Step 2: Convert to fraction form
    225,741.60/338,615.28 = 155,602.08/x
  3. Step 3: Cross multiply
    225,741.60x = 338,615.28 × 155,602.08
  4. Step 4: Simplify right side
    225,741.60x = 52,689,241,887.78
  5. Step 5: Solve for x
    x = 52,689,241,887.78/225,741.60
  6. Step 6: Final answer
    x = 233,405.11

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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.