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Finding the Fourth Proportional to 243,338.40, 364,834.80 and 93,520.80

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Solution

The fourth proportional to 243,338.40, 364,834.80 and 93,520.80 is: 140,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,338.40 : 364,834.80 = 93,520.80 : x
  2. Step 2: Convert to fraction form
    243,338.40/364,834.80 = 93,520.80/x
  3. Step 3: Cross multiply
    243,338.40x = 364,834.80 × 93,520.80
  4. Step 4: Simplify right side
    243,338.40x = 34,119,642,363.84
  5. Step 5: Solve for x
    x = 34,119,642,363.84/243,338.40
  6. Step 6: Final answer
    x = 140,214.79

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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.