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Finding the Fourth Proportional to 73,548.59, 110,326.99 and 20,953.98

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Solution

The fourth proportional to 73,548.59, 110,326.99 and 20,953.98 is: 31,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,548.59 : 110,326.99 = 20,953.98 : x
  2. Step 2: Convert to fraction form
    73,548.59/110,326.99 = 20,953.98/x
  3. Step 3: Cross multiply
    73,548.59x = 110,326.99 × 20,953.98
  4. Step 4: Simplify right side
    73,548.59x = 2,311,788,885.52
  5. Step 5: Solve for x
    x = 2,311,788,885.52/73,548.59
  6. Step 6: Final answer
    x = 31,432.13

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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.