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Finding the Fourth Proportional to 22,606,502.40, 33,909,753.60 and 20,143,065.60

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Solution

The fourth proportional to 22,606,502.40, 33,909,753.60 and 20,143,065.60 is: 30,214,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606,502.40 : 33,909,753.60 = 20,143,065.60 : x
  2. Step 2: Convert to fraction form
    22,606,502.40/33,909,753.60 = 20,143,065.60/x
  3. Step 3: Cross multiply
    22,606,502.40x = 33,909,753.60 × 20,143,065.60
  4. Step 4: Simplify right side
    22,606,502.40x = 683,046,391,244,636.25
  5. Step 5: Solve for x
    x = 683,046,391,244,636.25/22,606,502.40
  6. Step 6: Final answer
    x = 30,214,598.40

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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.