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Finding the Fourth Proportional to 93,361.77, 128,836.04 and 53,077.23

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Solution

The fourth proportional to 93,361.77, 128,836.04 and 53,077.23 is: 73,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,361.77 : 128,836.04 = 53,077.23 : x
  2. Step 2: Convert to fraction form
    93,361.77/128,836.04 = 53,077.23/x
  3. Step 3: Cross multiply
    93,361.77x = 128,836.04 × 53,077.23
  4. Step 4: Simplify right side
    93,361.77x = 6,838,259,861.98
  5. Step 5: Solve for x
    x = 6,838,259,861.98/93,361.77
  6. Step 6: Final answer
    x = 73,244.75

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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.