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Finding the Fourth Proportional to 92,178.95, 138,237.67 and 36,004.49

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Solution

The fourth proportional to 92,178.95, 138,237.67 and 36,004.49 is: 53,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.95 : 138,237.67 = 36,004.49 : x
  2. Step 2: Convert to fraction form
    92,178.95/138,237.67 = 36,004.49/x
  3. Step 3: Cross multiply
    92,178.95x = 138,237.67 × 36,004.49
  4. Step 4: Simplify right side
    92,178.95x = 4,977,176,807.14
  5. Step 5: Solve for x
    x = 4,977,176,807.14/92,178.95
  6. Step 6: Final answer
    x = 53,994.72

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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.