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Finding the Fourth Proportional to 214,560.63, 321,796.85 and 88,077.51

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Solution

The fourth proportional to 214,560.63, 321,796.85 and 88,077.51 is: 132,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,560.63 : 321,796.85 = 88,077.51 : x
  2. Step 2: Convert to fraction form
    214,560.63/321,796.85 = 88,077.51/x
  3. Step 3: Cross multiply
    214,560.63x = 321,796.85 × 88,077.51
  4. Step 4: Simplify right side
    214,560.63x = 28,343,064,833.46
  5. Step 5: Solve for x
    x = 28,343,064,833.46/214,560.63
  6. Step 6: Final answer
    x = 132,098.16

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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.