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Finding the Fourth Proportional to 93,807.60, 129,454.69 and 50,787.54

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Solution

The fourth proportional to 93,807.60, 129,454.69 and 50,787.54 is: 70,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,807.60 : 129,454.69 = 50,787.54 : x
  2. Step 2: Convert to fraction form
    93,807.60/129,454.69 = 50,787.54/x
  3. Step 3: Cross multiply
    93,807.60x = 129,454.69 × 50,787.54
  4. Step 4: Simplify right side
    93,807.60x = 6,574,685,246.56
  5. Step 5: Solve for x
    x = 6,574,685,246.56/93,807.60
  6. Step 6: Final answer
    x = 70,086.91

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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.