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Finding the Fourth Proportional to 189,407.56, 284,157.60 and 63,047.56

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Solution

The fourth proportional to 189,407.56, 284,157.60 and 63,047.56 is: 94,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,407.56 : 284,157.60 = 63,047.56 : x
  2. Step 2: Convert to fraction form
    189,407.56/284,157.60 = 63,047.56/x
  3. Step 3: Cross multiply
    189,407.56x = 284,157.60 × 63,047.56
  4. Step 4: Simplify right side
    189,407.56x = 17,915,443,335.46
  5. Step 5: Solve for x
    x = 17,915,443,335.46/189,407.56
  6. Step 6: Final answer
    x = 94,586.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.