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Finding the Fourth Proportional to 93,202.56, 128,615.10 and 52,910.84

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Solution

The fourth proportional to 93,202.56, 128,615.10 and 52,910.84 is: 73,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,202.56 : 128,615.10 = 52,910.84 : x
  2. Step 2: Convert to fraction form
    93,202.56/128,615.10 = 52,910.84/x
  3. Step 3: Cross multiply
    93,202.56x = 128,615.10 × 52,910.84
  4. Step 4: Simplify right side
    93,202.56x = 6,805,132,334.61
  5. Step 5: Solve for x
    x = 6,805,132,334.61/93,202.56
  6. Step 6: Final answer
    x = 73,014.44

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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.