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Finding the Fourth Proportional to 52,844,779.80, 79,267,169.70 and 30,169,963.80

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Solution

The fourth proportional to 52,844,779.80, 79,267,169.70 and 30,169,963.80 is: 45,254,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,844,779.80 : 79,267,169.70 = 30,169,963.80 : x
  2. Step 2: Convert to fraction form
    52,844,779.80/79,267,169.70 = 30,169,963.80/x
  3. Step 3: Cross multiply
    52,844,779.80x = 79,267,169.70 × 30,169,963.80
  4. Step 4: Simplify right side
    52,844,779.80x = 2,391,487,640,377,457
  5. Step 5: Solve for x
    x = 2,391,487,640,377,457/52,844,779.80
  6. Step 6: Final answer
    x = 45,254,945.70

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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.