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Finding the Fourth Proportional to 93,818.56, 129,469.80 and 50,798.50

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Solution

The fourth proportional to 93,818.56, 129,469.80 and 50,798.50 is: 70,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.56 : 129,469.80 = 50,798.50 : x
  2. Step 2: Convert to fraction form
    93,818.56/129,469.80 = 50,798.50/x
  3. Step 3: Cross multiply
    93,818.56x = 129,469.80 × 50,798.50
  4. Step 4: Simplify right side
    93,818.56x = 6,576,871,635.30
  5. Step 5: Solve for x
    x = 6,576,871,635.30/93,818.56
  6. Step 6: Final answer
    x = 70,102.03

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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.