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Finding the Fourth Proportional to 93,699.42, 129,308.22 and 51,257.94

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Solution

The fourth proportional to 93,699.42, 129,308.22 and 51,257.94 is: 70,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,699.42 : 129,308.22 = 51,257.94 : x
  2. Step 2: Convert to fraction form
    93,699.42/129,308.22 = 51,257.94/x
  3. Step 3: Cross multiply
    93,699.42x = 129,308.22 × 51,257.94
  4. Step 4: Simplify right side
    93,699.42x = 6,628,072,982.27
  5. Step 5: Solve for x
    x = 6,628,072,982.27/93,699.42
  6. Step 6: Final answer
    x = 70,737.61

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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.