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Finding the Fourth Proportional to 93,472.38, 140,089.50 and 67,228.38

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Solution

The fourth proportional to 93,472.38, 140,089.50 and 67,228.38 is: 100,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,472.38 : 140,089.50 = 67,228.38 : x
  2. Step 2: Convert to fraction form
    93,472.38/140,089.50 = 67,228.38/x
  3. Step 3: Cross multiply
    93,472.38x = 140,089.50 × 67,228.38
  4. Step 4: Simplify right side
    93,472.38x = 9,417,990,140.01
  5. Step 5: Solve for x
    x = 9,417,990,140.01/93,472.38
  6. Step 6: Final answer
    x = 100,756.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.