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Finding the Fourth Proportional to 75,283,338.80, 112,673,065.80 and 52,608,522.80

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Solution

The fourth proportional to 75,283,338.80, 112,673,065.80 and 52,608,522.80 is: 78,736,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283,338.80 : 112,673,065.80 = 52,608,522.80 : x
  2. Step 2: Convert to fraction form
    75,283,338.80/112,673,065.80 = 52,608,522.80/x
  3. Step 3: Cross multiply
    75,283,338.80x = 112,673,065.80 × 52,608,522.80
  4. Step 4: Simplify right side
    75,283,338.80x = 5,927,563,551,085,200
  5. Step 5: Solve for x
    x = 5,927,563,551,085,200/75,283,338.80
  6. Step 6: Final answer
    x = 78,736,725.09

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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.