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Finding the Fourth Proportional to 242,316.80, 363,532.68 and 76,104.80

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Solution

The fourth proportional to 242,316.80, 363,532.68 and 76,104.80 is: 114,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,316.80 : 363,532.68 = 76,104.80 : x
  2. Step 2: Convert to fraction form
    242,316.80/363,532.68 = 76,104.80/x
  3. Step 3: Cross multiply
    242,316.80x = 363,532.68 × 76,104.80
  4. Step 4: Simplify right side
    242,316.80x = 27,666,581,904.86
  5. Step 5: Solve for x
    x = 27,666,581,904.86/242,316.80
  6. Step 6: Final answer
    x = 114,175.25

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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.