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Finding the Fourth Proportional to 43,708,228.80, 65,602,000.80 and 22,157,822.40

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Solution

The fourth proportional to 43,708,228.80, 65,602,000.80 and 22,157,822.40 is: 33,256,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,708,228.80 : 65,602,000.80 = 22,157,822.40 : x
  2. Step 2: Convert to fraction form
    43,708,228.80/65,602,000.80 = 22,157,822.40/x
  3. Step 3: Cross multiply
    43,708,228.80x = 65,602,000.80 × 22,157,822.40
  4. Step 4: Simplify right side
    43,708,228.80x = 1,453,597,482,811,057.75
  5. Step 5: Solve for x
    x = 1,453,597,482,811,057.75/43,708,228.80
  6. Step 6: Final answer
    x = 33,256,837.96

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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.