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Finding the Fourth Proportional to 124,471,121.60, 186,706,682.40 and 124,471,121.60

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Solution

The fourth proportional to 124,471,121.60, 186,706,682.40 and 124,471,121.60 is: 186,706,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,471,121.60 : 186,706,682.40 = 124,471,121.60 : x
  2. Step 2: Convert to fraction form
    124,471,121.60/186,706,682.40 = 124,471,121.60/x
  3. Step 3: Cross multiply
    124,471,121.60x = 186,706,682.40 × 124,471,121.60
  4. Step 4: Simplify right side
    124,471,121.60x = 23,239,590,168,542,980
  5. Step 5: Solve for x
    x = 23,239,590,168,542,980/124,471,121.60
  6. Step 6: Final answer
    x = 186,706,682.40

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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.