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Finding the Fourth Proportional to 93,751.56, 129,357.12 and 55,523.12

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Solution

The fourth proportional to 93,751.56, 129,357.12 and 55,523.12 is: 76,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.56 : 129,357.12 = 55,523.12 : x
  2. Step 2: Convert to fraction form
    93,751.56/129,357.12 = 55,523.12/x
  3. Step 3: Cross multiply
    93,751.56x = 129,357.12 × 55,523.12
  4. Step 4: Simplify right side
    93,751.56x = 7,182,310,896.61
  5. Step 5: Solve for x
    x = 7,182,310,896.61/93,751.56
  6. Step 6: Final answer
    x = 76,610.04

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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.