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Finding the Fourth Proportional to 243,960.04, 365,940.06 and 103,620.52

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Solution

The fourth proportional to 243,960.04, 365,940.06 and 103,620.52 is: 155,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,960.04 : 365,940.06 = 103,620.52 : x
  2. Step 2: Convert to fraction form
    243,960.04/365,940.06 = 103,620.52/x
  3. Step 3: Cross multiply
    243,960.04x = 365,940.06 × 103,620.52
  4. Step 4: Simplify right side
    243,960.04x = 37,918,899,306.03
  5. Step 5: Solve for x
    x = 37,918,899,306.03/243,960.04
  6. Step 6: Final answer
    x = 155,430.78

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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.