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Finding the Fourth Proportional to 210,959.56, 316,399.02 and 63,215.56

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Solution

The fourth proportional to 210,959.56, 316,399.02 and 63,215.56 is: 94,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,959.56 : 316,399.02 = 63,215.56 : x
  2. Step 2: Convert to fraction form
    210,959.56/316,399.02 = 63,215.56/x
  3. Step 3: Cross multiply
    210,959.56x = 316,399.02 × 63,215.56
  4. Step 4: Simplify right side
    210,959.56x = 20,001,341,232.75
  5. Step 5: Solve for x
    x = 20,001,341,232.75/210,959.56
  6. Step 6: Final answer
    x = 94,811.26

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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.