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Finding the Fourth Proportional to 52,845,367.80, 79,268,051.70 and 30,170,551.80

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Solution

The fourth proportional to 52,845,367.80, 79,268,051.70 and 30,170,551.80 is: 45,255,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845,367.80 : 79,268,051.70 = 30,170,551.80 : x
  2. Step 2: Convert to fraction form
    52,845,367.80/79,268,051.70 = 30,170,551.80/x
  3. Step 3: Cross multiply
    52,845,367.80x = 79,268,051.70 × 30,170,551.80
  4. Step 4: Simplify right side
    52,845,367.80x = 2,391,560,859,899,928
  5. Step 5: Solve for x
    x = 2,391,560,859,899,928/52,845,367.80
  6. Step 6: Final answer
    x = 45,255,827.70

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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.