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Finding the Fourth Proportional to 124,561,878.30, 186,842,817.45 and 124,561,878.30

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Solution

The fourth proportional to 124,561,878.30, 186,842,817.45 and 124,561,878.30 is: 186,842,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561,878.30 : 186,842,817.45 = 124,561,878.30 : x
  2. Step 2: Convert to fraction form
    124,561,878.30/186,842,817.45 = 124,561,878.30/x
  3. Step 3: Cross multiply
    124,561,878.30x = 186,842,817.45 × 124,561,878.30
  4. Step 4: Simplify right side
    124,561,878.30x = 23,273,492,288,436,016
  5. Step 5: Solve for x
    x = 23,273,492,288,436,016/124,561,878.30
  6. Step 6: Final answer
    x = 186,842,817.45

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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.