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Finding the Fourth Proportional to 73,215.52, 101,010 and 43,001.80

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Solution

The fourth proportional to 73,215.52, 101,010 and 43,001.80 is: 59,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.52 : 101,010 = 43,001.80 : x
  2. Step 2: Convert to fraction form
    73,215.52/101,010 = 43,001.80/x
  3. Step 3: Cross multiply
    73,215.52x = 101,010 × 43,001.80
  4. Step 4: Simplify right side
    73,215.52x = 4,343,611,818
  5. Step 5: Solve for x
    x = 4,343,611,818/73,215.52
  6. Step 6: Final answer
    x = 59,326.38

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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.