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Finding the Fourth Proportional to 116,640.10, 174,632.10 and 104,830.30

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Solution

The fourth proportional to 116,640.10, 174,632.10 and 104,830.30 is: 156,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640.10 : 174,632.10 = 104,830.30 : x
  2. Step 2: Convert to fraction form
    116,640.10/174,632.10 = 104,830.30/x
  3. Step 3: Cross multiply
    116,640.10x = 174,632.10 × 104,830.30
  4. Step 4: Simplify right side
    116,640.10x = 18,306,735,432.63
  5. Step 5: Solve for x
    x = 18,306,735,432.63/116,640.10
  6. Step 6: Final answer
    x = 156,950.62

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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.