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Finding the Fourth Proportional to 242,727.76, 364,017.72 and 84,926.80

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Solution

The fourth proportional to 242,727.76, 364,017.72 and 84,926.80 is: 127,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,727.76 : 364,017.72 = 84,926.80 : x
  2. Step 2: Convert to fraction form
    242,727.76/364,017.72 = 84,926.80/x
  3. Step 3: Cross multiply
    242,727.76x = 364,017.72 × 84,926.80
  4. Step 4: Simplify right side
    242,727.76x = 30,914,860,102.90
  5. Step 5: Solve for x
    x = 30,914,860,102.90/242,727.76
  6. Step 6: Final answer
    x = 127,364.34

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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.