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Finding the Fourth Proportional to 84,892.96, 117,151.44 and 47,166.40

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Solution

The fourth proportional to 84,892.96, 117,151.44 and 47,166.40 is: 65,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.96 : 117,151.44 = 47,166.40 : x
  2. Step 2: Convert to fraction form
    84,892.96/117,151.44 = 47,166.40/x
  3. Step 3: Cross multiply
    84,892.96x = 117,151.44 × 47,166.40
  4. Step 4: Simplify right side
    84,892.96x = 5,525,611,679.62
  5. Step 5: Solve for x
    x = 5,525,611,679.62/84,892.96
  6. Step 6: Final answer
    x = 65,089.16

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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.