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Finding the Fourth Proportional to 250,068.98, 345,073.30 and 141,167.32

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Solution

The fourth proportional to 250,068.98, 345,073.30 and 141,167.32 is: 194,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,068.98 : 345,073.30 = 141,167.32 : x
  2. Step 2: Convert to fraction form
    250,068.98/345,073.30 = 141,167.32/x
  3. Step 3: Cross multiply
    250,068.98x = 345,073.30 × 141,167.32
  4. Step 4: Simplify right side
    250,068.98x = 48,713,071,748.95
  5. Step 5: Solve for x
    x = 48,713,071,748.95/250,068.98
  6. Step 6: Final answer
    x = 194,798.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.