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Finding the Fourth Proportional to 85,191.67, 117,569.64 and 46,951.13

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Solution

The fourth proportional to 85,191.67, 117,569.64 and 46,951.13 is: 64,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.67 : 117,569.64 = 46,951.13 : x
  2. Step 2: Convert to fraction form
    85,191.67/117,569.64 = 46,951.13/x
  3. Step 3: Cross multiply
    85,191.67x = 117,569.64 × 46,951.13
  4. Step 4: Simplify right side
    85,191.67x = 5,520,027,451.69
  5. Step 5: Solve for x
    x = 5,520,027,451.69/85,191.67
  6. Step 6: Final answer
    x = 64,795.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.