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Finding the Fourth Proportional to 89,673,885.90, 134,298,252.45 and 89,673,885.90

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Solution

The fourth proportional to 89,673,885.90, 134,298,252.45 and 89,673,885.90 is: 134,298,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,673,885.90 : 134,298,252.45 = 89,673,885.90 : x
  2. Step 2: Convert to fraction form
    89,673,885.90/134,298,252.45 = 89,673,885.90/x
  3. Step 3: Cross multiply
    89,673,885.90x = 134,298,252.45 × 89,673,885.90
  4. Step 4: Simplify right side
    89,673,885.90x = 12,043,046,166,770,696
  5. Step 5: Solve for x
    x = 12,043,046,166,770,696/89,673,885.90
  6. Step 6: Final answer
    x = 134,298,252.45

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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.