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Finding the Fourth Proportional to 242,674.80, 363,882.60 and 84,908.40

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Solution

The fourth proportional to 242,674.80, 363,882.60 and 84,908.40 is: 127,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,674.80 : 363,882.60 = 84,908.40 : x
  2. Step 2: Convert to fraction form
    242,674.80/363,882.60 = 84,908.40/x
  3. Step 3: Cross multiply
    242,674.80x = 363,882.60 × 84,908.40
  4. Step 4: Simplify right side
    242,674.80x = 30,896,689,353.84
  5. Step 5: Solve for x
    x = 30,896,689,353.84/242,674.80
  6. Step 6: Final answer
    x = 127,317.25

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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.