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Finding the Fourth Proportional to 123,792.48, 185,688.36 and 44,906.40

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Solution

The fourth proportional to 123,792.48, 185,688.36 and 44,906.40 is: 67,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,792.48 : 185,688.36 = 44,906.40 : x
  2. Step 2: Convert to fraction form
    123,792.48/185,688.36 = 44,906.40/x
  3. Step 3: Cross multiply
    123,792.48x = 185,688.36 × 44,906.40
  4. Step 4: Simplify right side
    123,792.48x = 8,338,595,769.50
  5. Step 5: Solve for x
    x = 8,338,595,769.50/123,792.48
  6. Step 6: Final answer
    x = 67,359.47

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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.