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Finding the Fourth Proportional to 43,721,344.80, 65,464,052.40 and 43,721,344.80

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Solution

The fourth proportional to 43,721,344.80, 65,464,052.40 and 43,721,344.80 is: 65,464,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721,344.80 : 65,464,052.40 = 43,721,344.80 : x
  2. Step 2: Convert to fraction form
    43,721,344.80/65,464,052.40 = 43,721,344.80/x
  3. Step 3: Cross multiply
    43,721,344.80x = 65,464,052.40 × 43,721,344.80
  4. Step 4: Simplify right side
    43,721,344.80x = 2,862,176,406,985,667.50
  5. Step 5: Solve for x
    x = 2,862,176,406,985,667.50/43,721,344.80
  6. Step 6: Final answer
    x = 65,464,052.40

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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.