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Finding the Fourth Proportional to 242,609.80, 363,914.70 and 124,511.80

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Solution

The fourth proportional to 242,609.80, 363,914.70 and 124,511.80 is: 186,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,609.80 : 363,914.70 = 124,511.80 : x
  2. Step 2: Convert to fraction form
    242,609.80/363,914.70 = 124,511.80/x
  3. Step 3: Cross multiply
    242,609.80x = 363,914.70 × 124,511.80
  4. Step 4: Simplify right side
    242,609.80x = 45,311,674,343.46
  5. Step 5: Solve for x
    x = 45,311,674,343.46/242,609.80
  6. Step 6: Final answer
    x = 186,767.70

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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.