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Finding the Fourth Proportional to 93,838.43, 129,506.35 and 53,558.28

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Solution

The fourth proportional to 93,838.43, 129,506.35 and 53,558.28 is: 73,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,838.43 : 129,506.35 = 53,558.28 : x
  2. Step 2: Convert to fraction form
    93,838.43/129,506.35 = 53,558.28/x
  3. Step 3: Cross multiply
    93,838.43x = 129,506.35 × 53,558.28
  4. Step 4: Simplify right side
    93,838.43x = 6,936,137,355.08
  5. Step 5: Solve for x
    x = 6,936,137,355.08/93,838.43
  6. Step 6: Final answer
    x = 73,915.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.