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Finding the Fourth Proportional to 97,824.80, 146,737.20 and 45,336.80

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Solution

The fourth proportional to 97,824.80, 146,737.20 and 45,336.80 is: 68,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,824.80 : 146,737.20 = 45,336.80 : x
  2. Step 2: Convert to fraction form
    97,824.80/146,737.20 = 45,336.80/x
  3. Step 3: Cross multiply
    97,824.80x = 146,737.20 × 45,336.80
  4. Step 4: Simplify right side
    97,824.80x = 6,652,595,088.96
  5. Step 5: Solve for x
    x = 6,652,595,088.96/97,824.80
  6. Step 6: Final answer
    x = 68,005.20

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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.