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Finding the Fourth Proportional to 93,616.35, 129,189.90 and 51,174.98

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Solution

The fourth proportional to 93,616.35, 129,189.90 and 51,174.98 is: 70,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,616.35 : 129,189.90 = 51,174.98 : x
  2. Step 2: Convert to fraction form
    93,616.35/129,189.90 = 51,174.98/x
  3. Step 3: Cross multiply
    93,616.35x = 129,189.90 × 51,174.98
  4. Step 4: Simplify right side
    93,616.35x = 6,611,290,548.70
  5. Step 5: Solve for x
    x = 6,611,290,548.70/93,616.35
  6. Step 6: Final answer
    x = 70,621.11

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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.