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Finding the Fourth Proportional to 203,849,661.80, 286,195,742.20 and 203,849,661.80

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Solution

The fourth proportional to 203,849,661.80, 286,195,742.20 and 203,849,661.80 is: 286,195,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,849,661.80 : 286,195,742.20 = 203,849,661.80 : x
  2. Step 2: Convert to fraction form
    203,849,661.80/286,195,742.20 = 203,849,661.80/x
  3. Step 3: Cross multiply
    203,849,661.80x = 286,195,742.20 × 203,849,661.80
  4. Step 4: Simplify right side
    203,849,661.80x = 58,340,905,256,069,992
  5. Step 5: Solve for x
    x = 58,340,905,256,069,992/203,849,661.80
  6. Step 6: Final answer
    x = 286,195,742.20

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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.