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Finding the Fourth Proportional to 136,543.59, 204,741.27 and 61,576.02

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Solution

The fourth proportional to 136,543.59, 204,741.27 and 61,576.02 is: 92,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,543.59 : 204,741.27 = 61,576.02 : x
  2. Step 2: Convert to fraction form
    136,543.59/204,741.27 = 61,576.02/x
  3. Step 3: Cross multiply
    136,543.59x = 204,741.27 × 61,576.02
  4. Step 4: Simplify right side
    136,543.59x = 12,607,152,536.35
  5. Step 5: Solve for x
    x = 12,607,152,536.35/136,543.59
  6. Step 6: Final answer
    x = 92,330.61

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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.