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Finding the Fourth Proportional to 93,312.10, 140,000.55 and 40,759.30

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Solution

The fourth proportional to 93,312.10, 140,000.55 and 40,759.30 is: 61,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312.10 : 140,000.55 = 40,759.30 : x
  2. Step 2: Convert to fraction form
    93,312.10/140,000.55 = 40,759.30/x
  3. Step 3: Cross multiply
    93,312.10x = 140,000.55 × 40,759.30
  4. Step 4: Simplify right side
    93,312.10x = 5,706,324,417.62
  5. Step 5: Solve for x
    x = 5,706,324,417.62/93,312.10
  6. Step 6: Final answer
    x = 61,153.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.