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Finding the Fourth Proportional to 93,027.60, 139,541.40 and 66,675.60

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Solution

The fourth proportional to 93,027.60, 139,541.40 and 66,675.60 is: 100,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,027.60 : 139,541.40 = 66,675.60 : x
  2. Step 2: Convert to fraction form
    93,027.60/139,541.40 = 66,675.60/x
  3. Step 3: Cross multiply
    93,027.60x = 139,541.40 × 66,675.60
  4. Step 4: Simplify right side
    93,027.60x = 9,304,006,569.84
  5. Step 5: Solve for x
    x = 9,304,006,569.84/93,027.60
  6. Step 6: Final answer
    x = 100,013.40

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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.