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Finding the Fourth Proportional to 93,119.98, 128,503.11 and 50,677.60

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Solution

The fourth proportional to 93,119.98, 128,503.11 and 50,677.60 is: 69,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119.98 : 128,503.11 = 50,677.60 : x
  2. Step 2: Convert to fraction form
    93,119.98/128,503.11 = 50,677.60/x
  3. Step 3: Cross multiply
    93,119.98x = 128,503.11 × 50,677.60
  4. Step 4: Simplify right side
    93,119.98x = 6,512,229,207.34
  5. Step 5: Solve for x
    x = 6,512,229,207.34/93,119.98
  6. Step 6: Final answer
    x = 69,933.75

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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.