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Finding the Fourth Proportional to 93,241.80, 128,675.16 and 50,800.32

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Solution

The fourth proportional to 93,241.80, 128,675.16 and 50,800.32 is: 70,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,241.80 : 128,675.16 = 50,800.32 : x
  2. Step 2: Convert to fraction form
    93,241.80/128,675.16 = 50,800.32/x
  3. Step 3: Cross multiply
    93,241.80x = 128,675.16 × 50,800.32
  4. Step 4: Simplify right side
    93,241.80x = 6,536,739,304.05
  5. Step 5: Solve for x
    x = 6,536,739,304.05/93,241.80
  6. Step 6: Final answer
    x = 70,105.25

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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.