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Finding the Fourth Proportional to 141,482.98, 195,243.60 and 76,953.46

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Solution

The fourth proportional to 141,482.98, 195,243.60 and 76,953.46 is: 106,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,482.98 : 195,243.60 = 76,953.46 : x
  2. Step 2: Convert to fraction form
    141,482.98/195,243.60 = 76,953.46/x
  3. Step 3: Cross multiply
    141,482.98x = 195,243.60 × 76,953.46
  4. Step 4: Simplify right side
    141,482.98x = 15,024,670,562.86
  5. Step 5: Solve for x
    x = 15,024,670,562.86/141,482.98
  6. Step 6: Final answer
    x = 106,194.19

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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.