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Finding the Fourth Proportional to 119,593,920.20, 167,884,984.60 and 119,593,920.20

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Solution

The fourth proportional to 119,593,920.20, 167,884,984.60 and 119,593,920.20 is: 167,884,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,593,920.20 : 167,884,984.60 = 119,593,920.20 : x
  2. Step 2: Convert to fraction form
    119,593,920.20/167,884,984.60 = 119,593,920.20/x
  3. Step 3: Cross multiply
    119,593,920.20x = 167,884,984.60 × 119,593,920.20
  4. Step 4: Simplify right side
    119,593,920.20x = 20,078,023,451,030,628
  5. Step 5: Solve for x
    x = 20,078,023,451,030,628/119,593,920.20
  6. Step 6: Final answer
    x = 167,884,984.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.