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Finding the Fourth Proportional to 92,475.60, 138,680.56 and 33,295.38

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Solution

The fourth proportional to 92,475.60, 138,680.56 and 33,295.38 is: 49,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,475.60 : 138,680.56 = 33,295.38 : x
  2. Step 2: Convert to fraction form
    92,475.60/138,680.56 = 33,295.38/x
  3. Step 3: Cross multiply
    92,475.60x = 138,680.56 × 33,295.38
  4. Step 4: Simplify right side
    92,475.60x = 4,617,421,943.81
  5. Step 5: Solve for x
    x = 4,617,421,943.81/92,475.60
  6. Step 6: Final answer
    x = 49,931.25

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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.