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Finding the Fourth Proportional to 116,809,315.40, 175,213,973.10 and 116,809,315.40

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Solution

The fourth proportional to 116,809,315.40, 175,213,973.10 and 116,809,315.40 is: 175,213,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,809,315.40 : 175,213,973.10 = 116,809,315.40 : x
  2. Step 2: Convert to fraction form
    116,809,315.40/175,213,973.10 = 116,809,315.40/x
  3. Step 3: Cross multiply
    116,809,315.40x = 175,213,973.10 × 116,809,315.40
  4. Step 4: Simplify right side
    116,809,315.40x = 20,466,624,246,325,016
  5. Step 5: Solve for x
    x = 20,466,624,246,325,016/116,809,315.40
  6. Step 6: Final answer
    x = 175,213,973.10

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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.