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Finding the Fourth Proportional to 124,855,346.70, 187,283,020.05 and 124,855,346.70

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Solution

The fourth proportional to 124,855,346.70, 187,283,020.05 and 124,855,346.70 is: 187,283,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,855,346.70 : 187,283,020.05 = 124,855,346.70 : x
  2. Step 2: Convert to fraction form
    124,855,346.70/187,283,020.05 = 124,855,346.70/x
  3. Step 3: Cross multiply
    124,855,346.70x = 187,283,020.05 × 124,855,346.70
  4. Step 4: Simplify right side
    124,855,346.70x = 23,383,286,399,365,804
  5. Step 5: Solve for x
    x = 23,383,286,399,365,804/124,855,346.70
  6. Step 6: Final answer
    x = 187,283,020.05

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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.