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Finding the Fourth Proportional to 93,313,265.80, 139,969,898.70 and 54,955,035.40

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Solution

The fourth proportional to 93,313,265.80, 139,969,898.70 and 54,955,035.40 is: 82,432,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313,265.80 : 139,969,898.70 = 54,955,035.40 : x
  2. Step 2: Convert to fraction form
    93,313,265.80/139,969,898.70 = 54,955,035.40/x
  3. Step 3: Cross multiply
    93,313,265.80x = 139,969,898.70 × 54,955,035.40
  4. Step 4: Simplify right side
    93,313,265.80x = 7,692,050,737,992,913
  5. Step 5: Solve for x
    x = 7,692,050,737,992,913/93,313,265.80
  6. Step 6: Final answer
    x = 82,432,553.10

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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.