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Finding the Fourth Proportional to 113,187,855.60, 169,781,783.40 and 113,187,855.60

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Solution

The fourth proportional to 113,187,855.60, 169,781,783.40 and 113,187,855.60 is: 169,781,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187,855.60 : 169,781,783.40 = 113,187,855.60 : x
  2. Step 2: Convert to fraction form
    113,187,855.60/169,781,783.40 = 113,187,855.60/x
  3. Step 3: Cross multiply
    113,187,855.60x = 169,781,783.40 × 113,187,855.60
  4. Step 4: Simplify right side
    113,187,855.60x = 19,217,235,982,989,676
  5. Step 5: Solve for x
    x = 19,217,235,982,989,676/113,187,855.60
  6. Step 6: Final answer
    x = 169,781,783.40

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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.