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Finding the Fourth Proportional to 89,295.40, 133,829.70 and 44,934.40

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Solution

The fourth proportional to 89,295.40, 133,829.70 and 44,934.40 is: 67,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,295.40 : 133,829.70 = 44,934.40 : x
  2. Step 2: Convert to fraction form
    89,295.40/133,829.70 = 44,934.40/x
  3. Step 3: Cross multiply
    89,295.40x = 133,829.70 × 44,934.40
  4. Step 4: Simplify right side
    89,295.40x = 6,013,557,271.68
  5. Step 5: Solve for x
    x = 6,013,557,271.68/89,295.40
  6. Step 6: Final answer
    x = 67,344.54

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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.