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Finding the Fourth Proportional to 73,503.98, 101,492.63 and 56,481.39

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Solution

The fourth proportional to 73,503.98, 101,492.63 and 56,481.39 is: 77,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,503.98 : 101,492.63 = 56,481.39 : x
  2. Step 2: Convert to fraction form
    73,503.98/101,492.63 = 56,481.39/x
  3. Step 3: Cross multiply
    73,503.98x = 101,492.63 × 56,481.39
  4. Step 4: Simplify right side
    73,503.98x = 5,732,444,817.16
  5. Step 5: Solve for x
    x = 5,732,444,817.16/73,503.98
  6. Step 6: Final answer
    x = 77,988.22

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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.