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Finding the Fourth Proportional to 92,892.76, 128,195.03 and 52,605.65

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Solution

The fourth proportional to 92,892.76, 128,195.03 and 52,605.65 is: 72,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.76 : 128,195.03 = 52,605.65 : x
  2. Step 2: Convert to fraction form
    92,892.76/128,195.03 = 52,605.65/x
  3. Step 3: Cross multiply
    92,892.76x = 128,195.03 × 52,605.65
  4. Step 4: Simplify right side
    92,892.76x = 6,743,783,331.92
  5. Step 5: Solve for x
    x = 6,743,783,331.92/92,892.76
  6. Step 6: Final answer
    x = 72,597.51

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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.