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Finding the Fourth Proportional to 242,820.05, 364,008.20 and 84,962.39

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Solution

The fourth proportional to 242,820.05, 364,008.20 and 84,962.39 is: 127,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,820.05 : 364,008.20 = 84,962.39 : x
  2. Step 2: Convert to fraction form
    242,820.05/364,008.20 = 84,962.39/x
  3. Step 3: Cross multiply
    242,820.05x = 364,008.20 × 84,962.39
  4. Step 4: Simplify right side
    242,820.05x = 30,927,004,406.75
  5. Step 5: Solve for x
    x = 30,927,004,406.75/242,820.05
  6. Step 6: Final answer
    x = 127,365.94

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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.