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Finding the Fourth Proportional to 92,034, 138,050.73 and 28,859.04

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Solution

The fourth proportional to 92,034, 138,050.73 and 28,859.04 is: 43,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034 : 138,050.73 = 28,859.04 : x
  2. Step 2: Convert to fraction form
    92,034/138,050.73 = 28,859.04/x
  3. Step 3: Cross multiply
    92,034x = 138,050.73 × 28,859.04
  4. Step 4: Simplify right side
    92,034x = 3,984,011,539.10
  5. Step 5: Solve for x
    x = 3,984,011,539.10/92,034
  6. Step 6: Final answer
    x = 43,288.48

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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.