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Finding the Fourth Proportional to 43,687,619.60, 65,573,419.80 and 22,146,544.40

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Solution

The fourth proportional to 43,687,619.60, 65,573,419.80 and 22,146,544.40 is: 33,241,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,687,619.60 : 65,573,419.80 = 22,146,544.40 : x
  2. Step 2: Convert to fraction form
    43,687,619.60/65,573,419.80 = 22,146,544.40/x
  3. Step 3: Cross multiply
    43,687,619.60x = 65,573,419.80 × 22,146,544.40
  4. Step 4: Simplify right side
    43,687,619.60x = 1,452,224,653,060,539
  5. Step 5: Solve for x
    x = 1,452,224,653,060,539/43,687,619.60
  6. Step 6: Final answer
    x = 33,241,102.77

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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.