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Finding the Fourth Proportional to 93,614.70, 129,188.64 and 51,173.94

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Solution

The fourth proportional to 93,614.70, 129,188.64 and 51,173.94 is: 70,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,614.70 : 129,188.64 = 51,173.94 : x
  2. Step 2: Convert to fraction form
    93,614.70/129,188.64 = 51,173.94/x
  3. Step 3: Cross multiply
    93,614.70x = 129,188.64 × 51,173.94
  4. Step 4: Simplify right side
    93,614.70x = 6,611,091,712.04
  5. Step 5: Solve for x
    x = 6,611,091,712.04/93,614.70
  6. Step 6: Final answer
    x = 70,620.23

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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.