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Finding the Fourth Proportional to 141,176.71, 211,806.53 and 56,893.49

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Solution

The fourth proportional to 141,176.71, 211,806.53 and 56,893.49 is: 85,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,176.71 : 211,806.53 = 56,893.49 : x
  2. Step 2: Convert to fraction form
    141,176.71/211,806.53 = 56,893.49/x
  3. Step 3: Cross multiply
    141,176.71x = 211,806.53 × 56,893.49
  4. Step 4: Simplify right side
    141,176.71x = 12,050,412,696.49
  5. Step 5: Solve for x
    x = 12,050,412,696.49/141,176.71
  6. Step 6: Final answer
    x = 85,356.95

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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.