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Finding the Fourth Proportional to 124,659,315.60, 186,988,973.40 and 124,659,315.60

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Solution

The fourth proportional to 124,659,315.60, 186,988,973.40 and 124,659,315.60 is: 186,988,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,315.60 : 186,988,973.40 = 124,659,315.60 : x
  2. Step 2: Convert to fraction form
    124,659,315.60/186,988,973.40 = 124,659,315.60/x
  3. Step 3: Cross multiply
    124,659,315.60x = 186,988,973.40 × 124,659,315.60
  4. Step 4: Simplify right side
    124,659,315.60x = 23,309,917,448,790,604
  5. Step 5: Solve for x
    x = 23,309,917,448,790,604/124,659,315.60
  6. Step 6: Final answer
    x = 186,988,973.40

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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.