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Finding the Fourth Proportional to 141,483, 195,274.28 and 81,094.13

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Solution

The fourth proportional to 141,483, 195,274.28 and 81,094.13 is: 111,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,483 : 195,274.28 = 81,094.13 : x
  2. Step 2: Convert to fraction form
    141,483/195,274.28 = 81,094.13/x
  3. Step 3: Cross multiply
    141,483x = 195,274.28 × 81,094.13
  4. Step 4: Simplify right side
    141,483x = 15,835,597,847.98
  5. Step 5: Solve for x
    x = 15,835,597,847.98/141,483
  6. Step 6: Final answer
    x = 111,925.80

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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.