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Finding the Fourth Proportional to 92,653.38, 138,984.93 and 29,480.40

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Solution

The fourth proportional to 92,653.38, 138,984.93 and 29,480.40 is: 44,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,653.38 : 138,984.93 = 29,480.40 : x
  2. Step 2: Convert to fraction form
    92,653.38/138,984.93 = 29,480.40/x
  3. Step 3: Cross multiply
    92,653.38x = 138,984.93 × 29,480.40
  4. Step 4: Simplify right side
    92,653.38x = 4,097,331,330.37
  5. Step 5: Solve for x
    x = 4,097,331,330.37/92,653.38
  6. Step 6: Final answer
    x = 44,222.15

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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.