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Finding the Fourth Proportional to 85,191.76, 117,565.40 and 46,952.67

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Solution

The fourth proportional to 85,191.76, 117,565.40 and 46,952.67 is: 64,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.76 : 117,565.40 = 46,952.67 : x
  2. Step 2: Convert to fraction form
    85,191.76/117,565.40 = 46,952.67/x
  3. Step 3: Cross multiply
    85,191.76x = 117,565.40 × 46,952.67
  4. Step 4: Simplify right side
    85,191.76x = 5,520,009,194.85
  5. Step 5: Solve for x
    x = 5,520,009,194.85/85,191.76
  6. Step 6: Final answer
    x = 64,795.11

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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.