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Finding the Fourth Proportional to 71,752,022.60, 107,628,033.90 and 50,210,947.40

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Solution

The fourth proportional to 71,752,022.60, 107,628,033.90 and 50,210,947.40 is: 75,316,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,752,022.60 : 107,628,033.90 = 50,210,947.40 : x
  2. Step 2: Convert to fraction form
    71,752,022.60/107,628,033.90 = 50,210,947.40/x
  3. Step 3: Cross multiply
    71,752,022.60x = 107,628,033.90 × 50,210,947.40
  4. Step 4: Simplify right side
    71,752,022.60x = 5,404,105,548,918,317
  5. Step 5: Solve for x
    x = 5,404,105,548,918,317/71,752,022.60
  6. Step 6: Final answer
    x = 75,316,421.10

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1.5x scale

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.