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Finding the Fourth Proportional to 92,903.40, 128,202.89 and 50,461.02

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Solution

The fourth proportional to 92,903.40, 128,202.89 and 50,461.02 is: 69,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,903.40 : 128,202.89 = 50,461.02 : x
  2. Step 2: Convert to fraction form
    92,903.40/128,202.89 = 50,461.02/x
  3. Step 3: Cross multiply
    92,903.40x = 128,202.89 × 50,461.02
  4. Step 4: Simplify right side
    92,903.40x = 6,469,248,344.04
  5. Step 5: Solve for x
    x = 6,469,248,344.04/92,903.40
  6. Step 6: Final answer
    x = 69,634.14

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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.