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Finding the Fourth Proportional to 61,812.98, 92,199.81 and 56,137.02

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Solution

The fourth proportional to 61,812.98, 92,199.81 and 56,137.02 is: 83,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.98 : 92,199.81 = 56,137.02 : x
  2. Step 2: Convert to fraction form
    61,812.98/92,199.81 = 56,137.02/x
  3. Step 3: Cross multiply
    61,812.98x = 92,199.81 × 56,137.02
  4. Step 4: Simplify right side
    61,812.98x = 5,175,822,577.97
  5. Step 5: Solve for x
    x = 5,175,822,577.97/61,812.98
  6. Step 6: Final answer
    x = 83,733.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.