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Finding the Fourth Proportional to 92,970.44, 139,455.66 and 37,605.32

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Solution

The fourth proportional to 92,970.44, 139,455.66 and 37,605.32 is: 56,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.44 : 139,455.66 = 37,605.32 : x
  2. Step 2: Convert to fraction form
    92,970.44/139,455.66 = 37,605.32/x
  3. Step 3: Cross multiply
    92,970.44x = 139,455.66 × 37,605.32
  4. Step 4: Simplify right side
    92,970.44x = 5,244,274,720.11
  5. Step 5: Solve for x
    x = 5,244,274,720.11/92,970.44
  6. Step 6: Final answer
    x = 56,407.98

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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.