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Finding the Fourth Proportional to 93,793.50, 129,438.30 and 51,352.38

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Solution

The fourth proportional to 93,793.50, 129,438.30 and 51,352.38 is: 70,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,793.50 : 129,438.30 = 51,352.38 : x
  2. Step 2: Convert to fraction form
    93,793.50/129,438.30 = 51,352.38/x
  3. Step 3: Cross multiply
    93,793.50x = 129,438.30 × 51,352.38
  4. Step 4: Simplify right side
    93,793.50x = 6,646,964,768.15
  5. Step 5: Solve for x
    x = 6,646,964,768.15/93,793.50
  6. Step 6: Final answer
    x = 70,868.07

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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.