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Finding the Fourth Proportional to 136,624.81, 204,877.03 and 61,741.93

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Solution

The fourth proportional to 136,624.81, 204,877.03 and 61,741.93 is: 92,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,624.81 : 204,877.03 = 61,741.93 : x
  2. Step 2: Convert to fraction form
    136,624.81/204,877.03 = 61,741.93/x
  3. Step 3: Cross multiply
    136,624.81x = 204,877.03 × 61,741.93
  4. Step 4: Simplify right side
    136,624.81x = 12,649,503,244.87
  5. Step 5: Solve for x
    x = 12,649,503,244.87/136,624.81
  6. Step 6: Final answer
    x = 92,585.70

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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.