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Finding the Fourth Proportional to 100,827,315.60, 151,259,635.80 and 32,672,230.80

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Solution

The fourth proportional to 100,827,315.60, 151,259,635.80 and 32,672,230.80 is: 49,014,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,827,315.60 : 151,259,635.80 = 32,672,230.80 : x
  2. Step 2: Convert to fraction form
    100,827,315.60/151,259,635.80 = 32,672,230.80/x
  3. Step 3: Cross multiply
    100,827,315.60x = 151,259,635.80 × 32,672,230.80
  4. Step 4: Simplify right side
    100,827,315.60x = 4,941,989,731,581,543
  5. Step 5: Solve for x
    x = 4,941,989,731,581,543/100,827,315.60
  6. Step 6: Final answer
    x = 49,014,393.59

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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.