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Finding the Fourth Proportional to 93,414.52, 128,912.04 and 59,880.52

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Solution

The fourth proportional to 93,414.52, 128,912.04 and 59,880.52 is: 82,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,414.52 : 128,912.04 = 59,880.52 : x
  2. Step 2: Convert to fraction form
    93,414.52/128,912.04 = 59,880.52/x
  3. Step 3: Cross multiply
    93,414.52x = 128,912.04 × 59,880.52
  4. Step 4: Simplify right side
    93,414.52x = 7,719,319,989.46
  5. Step 5: Solve for x
    x = 7,719,319,989.46/93,414.52
  6. Step 6: Final answer
    x = 82,635.12

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1.5x scale

Why These Related Problems?

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