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Finding the Fourth Proportional to 136,167.86, 204,200.76 and 61,284.98

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Solution

The fourth proportional to 136,167.86, 204,200.76 and 61,284.98 is: 91,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,167.86 : 204,200.76 = 61,284.98 : x
  2. Step 2: Convert to fraction form
    136,167.86/204,200.76 = 61,284.98/x
  3. Step 3: Cross multiply
    136,167.86x = 204,200.76 × 61,284.98
  4. Step 4: Simplify right side
    136,167.86x = 12,514,439,492.58
  5. Step 5: Solve for x
    x = 12,514,439,492.58/136,167.86
  6. Step 6: Final answer
    x = 91,904.50

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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.