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Finding the Fourth Proportional to 94,313.58, 130,152.06 and 51,871.20

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Solution

The fourth proportional to 94,313.58, 130,152.06 and 51,871.20 is: 71,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,313.58 : 130,152.06 = 51,871.20 : x
  2. Step 2: Convert to fraction form
    94,313.58/130,152.06 = 51,871.20/x
  3. Step 3: Cross multiply
    94,313.58x = 130,152.06 × 51,871.20
  4. Step 4: Simplify right side
    94,313.58x = 6,751,143,534.67
  5. Step 5: Solve for x
    x = 6,751,143,534.67/94,313.58
  6. Step 6: Final answer
    x = 71,581.88

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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.