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Finding the Fourth Proportional to 124,659,020.40, 186,988,530.60 and 124,659,020.40

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Solution

The fourth proportional to 124,659,020.40, 186,988,530.60 and 124,659,020.40 is: 186,988,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,020.40 : 186,988,530.60 = 124,659,020.40 : x
  2. Step 2: Convert to fraction form
    124,659,020.40/186,988,530.60 = 124,659,020.40/x
  3. Step 3: Cross multiply
    124,659,020.40x = 186,988,530.60 × 124,659,020.40
  4. Step 4: Simplify right side
    124,659,020.40x = 23,309,807,050,631,424
  5. Step 5: Solve for x
    x = 23,309,807,050,631,424/124,659,020.40
  6. Step 6: Final answer
    x = 186,988,530.60

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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.