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Finding the Fourth Proportional to 58,625,998.80, 87,938,998.20 and 43,509,454.80

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Solution

The fourth proportional to 58,625,998.80, 87,938,998.20 and 43,509,454.80 is: 65,264,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,625,998.80 : 87,938,998.20 = 43,509,454.80 : x
  2. Step 2: Convert to fraction form
    58,625,998.80/87,938,998.20 = 43,509,454.80/x
  3. Step 3: Cross multiply
    58,625,998.80x = 87,938,998.20 × 43,509,454.80
  4. Step 4: Simplify right side
    58,625,998.80x = 3,826,177,867,340,181
  5. Step 5: Solve for x
    x = 3,826,177,867,340,181/58,625,998.80
  6. Step 6: Final answer
    x = 65,264,182.20

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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.