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Finding the Fourth Proportional to 136,663.66, 204,975.66 and 52,445.02

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Solution

The fourth proportional to 136,663.66, 204,975.66 and 52,445.02 is: 78,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,663.66 : 204,975.66 = 52,445.02 : x
  2. Step 2: Convert to fraction form
    136,663.66/204,975.66 = 52,445.02/x
  3. Step 3: Cross multiply
    136,663.66x = 204,975.66 × 52,445.02
  4. Step 4: Simplify right side
    136,663.66x = 10,749,952,588.21
  5. Step 5: Solve for x
    x = 10,749,952,588.21/136,663.66
  6. Step 6: Final answer
    x = 78,659.92

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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.