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Finding the Fourth Proportional to 242,683.70, 364,025.55 and 84,928.10

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Solution

The fourth proportional to 242,683.70, 364,025.55 and 84,928.10 is: 127,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,683.70 : 364,025.55 = 84,928.10 : x
  2. Step 2: Convert to fraction form
    242,683.70/364,025.55 = 84,928.10/x
  3. Step 3: Cross multiply
    242,683.70x = 364,025.55 × 84,928.10
  4. Step 4: Simplify right side
    242,683.70x = 30,915,998,312.96
  5. Step 5: Solve for x
    x = 30,915,998,312.96/242,683.70
  6. Step 6: Final answer
    x = 127,392.15

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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.