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Finding the Fourth Proportional to 242,707.70, 363,952.20 and 92,898.20

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Solution

The fourth proportional to 242,707.70, 363,952.20 and 92,898.20 is: 139,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,707.70 : 363,952.20 = 92,898.20 : x
  2. Step 2: Convert to fraction form
    242,707.70/363,952.20 = 92,898.20/x
  3. Step 3: Cross multiply
    242,707.70x = 363,952.20 × 92,898.20
  4. Step 4: Simplify right side
    242,707.70x = 33,810,504,266.04
  5. Step 5: Solve for x
    x = 33,810,504,266.04/242,707.70
  6. Step 6: Final answer
    x = 139,305.45

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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.