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Finding the Fourth Proportional to 93,722.53, 129,317.96 and 55,462.92

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Solution

The fourth proportional to 93,722.53, 129,317.96 and 55,462.92 is: 76,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,722.53 : 129,317.96 = 55,462.92 : x
  2. Step 2: Convert to fraction form
    93,722.53/129,317.96 = 55,462.92/x
  3. Step 3: Cross multiply
    93,722.53x = 129,317.96 × 55,462.92
  4. Step 4: Simplify right side
    93,722.53x = 7,172,351,023.45
  5. Step 5: Solve for x
    x = 7,172,351,023.45/93,722.53
  6. Step 6: Final answer
    x = 76,527.51

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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.