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Finding the Fourth Proportional to 88,906.80, 133,464.39 and 70,199.45

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Solution

The fourth proportional to 88,906.80, 133,464.39 and 70,199.45 is: 105,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,906.80 : 133,464.39 = 70,199.45 : x
  2. Step 2: Convert to fraction form
    88,906.80/133,464.39 = 70,199.45/x
  3. Step 3: Cross multiply
    88,906.80x = 133,464.39 × 70,199.45
  4. Step 4: Simplify right side
    88,906.80x = 9,369,126,772.59
  5. Step 5: Solve for x
    x = 9,369,126,772.59/88,906.80
  6. Step 6: Final answer
    x = 105,381.44

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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.