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Finding the Fourth Proportional to 53,338,701.80, 80,008,052.70 and 36,899,460.20

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Solution

The fourth proportional to 53,338,701.80, 80,008,052.70 and 36,899,460.20 is: 55,349,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338,701.80 : 80,008,052.70 = 36,899,460.20 : x
  2. Step 2: Convert to fraction form
    53,338,701.80/80,008,052.70 = 36,899,460.20/x
  3. Step 3: Cross multiply
    53,338,701.80x = 80,008,052.70 × 36,899,460.20
  4. Step 4: Simplify right side
    53,338,701.80x = 2,952,253,956,283,153
  5. Step 5: Solve for x
    x = 2,952,253,956,283,153/53,338,701.80
  6. Step 6: Final answer
    x = 55,349,190.30

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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.