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Finding the Fourth Proportional to 242,672.04, 364,025.34 and 84,940.20

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Solution

The fourth proportional to 242,672.04, 364,025.34 and 84,940.20 is: 127,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,672.04 : 364,025.34 = 84,940.20 : x
  2. Step 2: Convert to fraction form
    242,672.04/364,025.34 = 84,940.20/x
  3. Step 3: Cross multiply
    242,672.04x = 364,025.34 × 84,940.20
  4. Step 4: Simplify right side
    242,672.04x = 30,920,385,184.67
  5. Step 5: Solve for x
    x = 30,920,385,184.67/242,672.04
  6. Step 6: Final answer
    x = 127,416.35

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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.