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Finding the Fourth Proportional to 93,858.55, 140,689.35 and 43,896.53

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Solution

The fourth proportional to 93,858.55, 140,689.35 and 43,896.53 is: 65,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,858.55 : 140,689.35 = 43,896.53 : x
  2. Step 2: Convert to fraction form
    93,858.55/140,689.35 = 43,896.53/x
  3. Step 3: Cross multiply
    93,858.55x = 140,689.35 × 43,896.53
  4. Step 4: Simplify right side
    93,858.55x = 6,175,774,272.96
  5. Step 5: Solve for x
    x = 6,175,774,272.96/93,858.55
  6. Step 6: Final answer
    x = 65,798.74

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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.