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Finding the Fourth Proportional to 93,642.98, 140,398.85 and 34,470.95

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Solution

The fourth proportional to 93,642.98, 140,398.85 and 34,470.95 is: 51,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,642.98 : 140,398.85 = 34,470.95 : x
  2. Step 2: Convert to fraction form
    93,642.98/140,398.85 = 34,470.95/x
  3. Step 3: Cross multiply
    93,642.98x = 140,398.85 × 34,470.95
  4. Step 4: Simplify right side
    93,642.98x = 4,839,680,864.06
  5. Step 5: Solve for x
    x = 4,839,680,864.06/93,642.98
  6. Step 6: Final answer
    x = 51,682.26

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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.