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Finding the Fourth Proportional to 92,159.88, 138,261.75 and 29,830.38

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Solution

The fourth proportional to 92,159.88, 138,261.75 and 29,830.38 is: 44,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,159.88 : 138,261.75 = 29,830.38 : x
  2. Step 2: Convert to fraction form
    92,159.88/138,261.75 = 29,830.38/x
  3. Step 3: Cross multiply
    92,159.88x = 138,261.75 × 29,830.38
  4. Step 4: Simplify right side
    92,159.88x = 4,124,400,541.97
  5. Step 5: Solve for x
    x = 4,124,400,541.97/92,159.88
  6. Step 6: Final answer
    x = 44,752.67

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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.