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Finding the Fourth Proportional to 61,663.50, 92,498.29 and 20,110.50

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Solution

The fourth proportional to 61,663.50, 92,498.29 and 20,110.50 is: 30,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.50 : 92,498.29 = 20,110.50 : x
  2. Step 2: Convert to fraction form
    61,663.50/92,498.29 = 20,110.50/x
  3. Step 3: Cross multiply
    61,663.50x = 92,498.29 × 20,110.50
  4. Step 4: Simplify right side
    61,663.50x = 1,860,186,810.77
  5. Step 5: Solve for x
    x = 1,860,186,810.77/61,663.50
  6. Step 6: Final answer
    x = 30,166.74

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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.