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Finding the Fourth Proportional to 93,430,276.80, 140,103,424.80 and 35,903,428.80

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Solution

The fourth proportional to 93,430,276.80, 140,103,424.80 and 35,903,428.80 is: 53,839,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,430,276.80 : 140,103,424.80 = 35,903,428.80 : x
  2. Step 2: Convert to fraction form
    93,430,276.80/140,103,424.80 = 35,903,428.80/x
  3. Step 3: Cross multiply
    93,430,276.80x = 140,103,424.80 × 35,903,428.80
  4. Step 4: Simplify right side
    93,430,276.80x = 5,030,193,336,942,954
  5. Step 5: Solve for x
    x = 5,030,193,336,942,954/93,430,276.80
  6. Step 6: Final answer
    x = 53,839,007.11

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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.