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Finding the Fourth Proportional to 93,868.64, 129,537.62 and 50,847.32

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Solution

The fourth proportional to 93,868.64, 129,537.62 and 50,847.32 is: 70,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,868.64 : 129,537.62 = 50,847.32 : x
  2. Step 2: Convert to fraction form
    93,868.64/129,537.62 = 50,847.32/x
  3. Step 3: Cross multiply
    93,868.64x = 129,537.62 × 50,847.32
  4. Step 4: Simplify right side
    93,868.64x = 6,586,640,816.18
  5. Step 5: Solve for x
    x = 6,586,640,816.18/93,868.64
  6. Step 6: Final answer
    x = 70,168.70

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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.