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Finding the Fourth Proportional to 65,199,141.20, 97,798,711.80 and 34,966,053.20

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Solution

The fourth proportional to 65,199,141.20, 97,798,711.80 and 34,966,053.20 is: 52,449,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199,141.20 : 97,798,711.80 = 34,966,053.20 : x
  2. Step 2: Convert to fraction form
    65,199,141.20/97,798,711.80 = 34,966,053.20/x
  3. Step 3: Cross multiply
    65,199,141.20x = 97,798,711.80 × 34,966,053.20
  4. Step 4: Simplify right side
    65,199,141.20x = 3,419,634,959,690,268
  5. Step 5: Solve for x
    x = 3,419,634,959,690,268/65,199,141.20
  6. Step 6: Final answer
    x = 52,449,079.80

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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.