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Finding the Fourth Proportional to 93,283.80, 139,874.40 and 63,735

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Solution

The fourth proportional to 93,283.80, 139,874.40 and 63,735 is: 95,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,283.80 : 139,874.40 = 63,735 : x
  2. Step 2: Convert to fraction form
    93,283.80/139,874.40 = 63,735/x
  3. Step 3: Cross multiply
    93,283.80x = 139,874.40 × 63,735
  4. Step 4: Simplify right side
    93,283.80x = 8,914,894,884
  5. Step 5: Solve for x
    x = 8,914,894,884/93,283.80
  6. Step 6: Final answer
    x = 95,567.45

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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.