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Finding the Fourth Proportional to 74,495,052.80, 111,742,579.20 and 74,495,052.80

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Solution

The fourth proportional to 74,495,052.80, 111,742,579.20 and 74,495,052.80 is: 111,742,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,495,052.80 : 111,742,579.20 = 74,495,052.80 : x
  2. Step 2: Convert to fraction form
    74,495,052.80/111,742,579.20 = 74,495,052.80/x
  3. Step 3: Cross multiply
    74,495,052.80x = 111,742,579.20 × 74,495,052.80
  4. Step 4: Simplify right side
    74,495,052.80x = 8,324,269,337,512,182
  5. Step 5: Solve for x
    x = 8,324,269,337,512,182/74,495,052.80
  6. Step 6: Final answer
    x = 111,742,579.20

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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.